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Code Issues Projects Releases Wiki Activity

shell: add ec.decode command

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This commit is contained in:
Chris Lu 2019-12-23 12:48:20 -08:00
parent dda5c6d3cb
commit 09ca936c78
42 changed files with 1052 additions and 396 deletions
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6
unmaintained/change_superblock/change_superblock.go
View file

@ -8,9 +8,9 @@ import (
"strconv"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/storage/backend"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
)
var (
@ -51,7 +51,7 @@ func main() {
datBackend := backend.NewDiskFile(datFile)
defer datBackend.Close()
superBlock, err := storage.ReadSuperBlock(datBackend)
superBlock, err := super_block.ReadSuperBlock(datBackend)
if err != nil {
glog.Fatalf("cannot parse existing super block: %v", err)
@ -63,7 +63,7 @@ func main() {
hasChange := false
if *targetReplica != "" {
replica, err := storage.NewReplicaPlacementFromString(*targetReplica)
replica, err := super_block.NewReplicaPlacementFromString(*targetReplica)
if err != nil {
glog.Fatalf("cannot parse target replica %s: %v", *targetReplica, err)

6
unmaintained/fix_dat/fix_dat.go
View file

@ -9,9 +9,9 @@ import (
"strconv"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/storage/backend"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"github.com/chrislusf/seaweedfs/weed/storage/types"
"github.com/chrislusf/seaweedfs/weed/util"
)
@ -59,7 +59,7 @@ func main() {
}
defer newDatFile.Close()
superBlock, err := storage.ReadSuperBlock(datBackend)
superBlock, err := super_block.ReadSuperBlock(datBackend)
if err != nil {
glog.Fatalf("Read Volume Data superblock %v", err)
}
@ -81,7 +81,7 @@ func iterateEntries(datBackend backend.BackendStorageFile, idxFile *os.File, vis
readerOffset += int64(count)
// start to read dat file
superBlock, err := storage.ReadSuperBlock(datBackend)
superBlock, err := super_block.ReadSuperBlock(datBackend)
if err != nil {
fmt.Printf("cannot read dat file super block: %v", err)
return

5
unmaintained/remove_duplicate_fids/remove_duplicate_fids.go
View file

@ -10,6 +10,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/storage/backend"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
)
var (
@ -24,7 +25,7 @@ func Checksum(n *needle.Needle) string {
type VolumeFileScanner4SeeDat struct {
version needle.Version
block storage.SuperBlock
block super_block.SuperBlock
dir string
hashes map[string]bool
@ -32,7 +33,7 @@ type VolumeFileScanner4SeeDat struct {
datBackend backend.BackendStorageFile
}
func (scanner *VolumeFileScanner4SeeDat) VisitSuperBlock(superBlock storage.SuperBlock) error {
func (scanner *VolumeFileScanner4SeeDat) VisitSuperBlock(superBlock super_block.SuperBlock) error {
scanner.version = superBlock.Version()
scanner.block = superBlock
return nil

3
unmaintained/see_dat/see_dat.go
View file

@ -7,6 +7,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
)
var (
@ -19,7 +20,7 @@ type VolumeFileScanner4SeeDat struct {
version needle.Version
}
func (scanner *VolumeFileScanner4SeeDat) VisitSuperBlock(superBlock storage.SuperBlock) error {
func (scanner *VolumeFileScanner4SeeDat) VisitSuperBlock(superBlock super_block.SuperBlock) error {
scanner.version = superBlock.Version()
return nil

10
weed/command/backup.go
View file

@ -3,10 +3,12 @@ package command
import (
"fmt"
"github.com/spf13/viper"
"github.com/chrislusf/seaweedfs/weed/security"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/spf13/viper"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/storage"
@ -98,15 +100,15 @@ func runBackup(cmd *Command, args []string) bool {
return true
}
}
var replication *storage.ReplicaPlacement
var replication *super_block.ReplicaPlacement
if *s.replication != "" {
replication, err = storage.NewReplicaPlacementFromString(*s.replication)
replication, err = super_block.NewReplicaPlacementFromString(*s.replication)
if err != nil {
fmt.Printf("Error generate volume %d replication %s : %v\n", vid, *s.replication, err)
return true
}
} else {
replication, err = storage.NewReplicaPlacementFromString(stats.Replication)
replication, err = super_block.NewReplicaPlacementFromString(stats.Replication)
if err != nil {
fmt.Printf("Error get volume %d replication %s : %v\n", vid, stats.Replication, err)
return true

8
weed/command/export.go
View file

@ -4,6 +4,7 @@ import (
"archive/tar"
"bytes"
"fmt"
"io"
"os"
"path"
"path/filepath"
@ -12,11 +13,10 @@ import (
"text/template"
"time"
"io"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"github.com/chrislusf/seaweedfs/weed/storage/types"
)
@ -93,8 +93,8 @@ type VolumeFileScanner4Export struct {
vid needle.VolumeId
}
func (scanner *VolumeFileScanner4Export) VisitSuperBlock(superBlock storage.SuperBlock) error {
scanner.version = superBlock.Version()
func (scanner *VolumeFileScanner4Export) VisitSuperBlock(superBlock super_block.SuperBlock) error {
scanner.version = superBlock.Version
return nil
}

5
weed/command/fix.go
View file

@ -8,6 +8,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"github.com/chrislusf/seaweedfs/weed/storage/types"
)
@ -34,8 +35,8 @@ type VolumeFileScanner4Fix struct {
nm *storage.NeedleMap
}
func (scanner *VolumeFileScanner4Fix) VisitSuperBlock(superBlock storage.SuperBlock) error {
scanner.version = superBlock.Version()
func (scanner *VolumeFileScanner4Fix) VisitSuperBlock(superBlock super_block.SuperBlock) error {
scanner.version = superBlock.Version
return nil
}

11
weed/pb/volume_server.proto
View file

@ -66,6 +66,8 @@ service VolumeServer {
}
rpc VolumeEcBlobDelete (VolumeEcBlobDeleteRequest) returns (VolumeEcBlobDeleteResponse) {
}
rpc VolumeEcShardsToVolume (VolumeEcShardsToVolumeRequest) returns (VolumeEcShardsToVolumeResponse) {
}
// tiered storage
rpc VolumeTierCopyDatToRemote (VolumeTierCopyDatToRemoteRequest) returns (stream VolumeTierCopyDatToRemoteResponse) {
@ -203,6 +205,7 @@ message CopyFileRequest {
uint64 stop_offset = 4;
string collection = 5;
bool is_ec_volume = 6;
bool ignore_source_file_not_found = 7;
}
message CopyFileResponse {
bytes file_content = 1;
@ -249,6 +252,7 @@ message VolumeEcShardsCopyRequest {
repeated uint32 shard_ids = 3;
bool copy_ecx_file = 4;
string source_data_node = 5;
bool copy_ecj_file = 6;
}
message VolumeEcShardsCopyResponse {
}
@ -297,6 +301,13 @@ message VolumeEcBlobDeleteRequest {
message VolumeEcBlobDeleteResponse {
}
message VolumeEcShardsToVolumeRequest {
uint32 volume_id = 1;
string collection = 2;
}
message VolumeEcShardsToVolumeResponse {
}
message ReadVolumeFileStatusRequest {
uint32 volume_id = 1;
}

482
weed/pb/volume_server_pb/volume_server.pb.go
View file

@ -61,6 +61,8 @@ It has these top-level messages:
VolumeEcShardReadResponse
VolumeEcBlobDeleteRequest
VolumeEcBlobDeleteResponse
VolumeEcShardsToVolumeRequest
VolumeEcShardsToVolumeResponse
ReadVolumeFileStatusRequest
ReadVolumeFileStatusResponse
DiskStatus
@ -663,12 +665,13 @@ func (m *VolumeCopyResponse) GetLastAppendAtNs() uint64 {
}
type CopyFileRequest struct {
VolumeId uint32 `protobuf:"varint,1,opt,name=volume_id,json=volumeId" json:"volume_id,omitempty"`
Ext string `protobuf:"bytes,2,opt,name=ext" json:"ext,omitempty"`
CompactionRevision uint32 `protobuf:"varint,3,opt,name=compaction_revision,json=compactionRevision" json:"compaction_revision,omitempty"`
StopOffset uint64 `protobuf:"varint,4,opt,name=stop_offset,json=stopOffset" json:"stop_offset,omitempty"`
Collection string `protobuf:"bytes,5,opt,name=collection" json:"collection,omitempty"`
IsEcVolume bool `protobuf:"varint,6,opt,name=is_ec_volume,json=isEcVolume" json:"is_ec_volume,omitempty"`
VolumeId uint32 `protobuf:"varint,1,opt,name=volume_id,json=volumeId" json:"volume_id,omitempty"`
Ext string `protobuf:"bytes,2,opt,name=ext" json:"ext,omitempty"`
CompactionRevision uint32 `protobuf:"varint,3,opt,name=compaction_revision,json=compactionRevision" json:"compaction_revision,omitempty"`
StopOffset uint64 `protobuf:"varint,4,opt,name=stop_offset,json=stopOffset" json:"stop_offset,omitempty"`
Collection string `protobuf:"bytes,5,opt,name=collection" json:"collection,omitempty"`
IsEcVolume bool `protobuf:"varint,6,opt,name=is_ec_volume,json=isEcVolume" json:"is_ec_volume,omitempty"`
IgnoreSourceFileNotFound bool `protobuf:"varint,7,opt,name=ignore_source_file_not_found,json=ignoreSourceFileNotFound" json:"ignore_source_file_not_found,omitempty"`
}
func (m *CopyFileRequest) Reset() { *m = CopyFileRequest{} }
@ -718,6 +721,13 @@ func (m *CopyFileRequest) GetIsEcVolume() bool {
return false
}
func (m *CopyFileRequest) GetIgnoreSourceFileNotFound() bool {
if m != nil {
return m.IgnoreSourceFileNotFound
}
return false
}
type CopyFileResponse struct {
FileContent []byte `protobuf:"bytes,1,opt,name=file_content,json=fileContent,proto3" json:"file_content,omitempty"`
}
@ -924,6 +934,7 @@ type VolumeEcShardsCopyRequest struct {
ShardIds []uint32 `protobuf:"varint,3,rep,packed,name=shard_ids,json=shardIds" json:"shard_ids,omitempty"`
CopyEcxFile bool `protobuf:"varint,4,opt,name=copy_ecx_file,json=copyEcxFile" json:"copy_ecx_file,omitempty"`
SourceDataNode string `protobuf:"bytes,5,opt,name=source_data_node,json=sourceDataNode" json:"source_data_node,omitempty"`
CopyEcjFile bool `protobuf:"varint,6,opt,name=copy_ecj_file,json=copyEcjFile" json:"copy_ecj_file,omitempty"`
}
func (m *VolumeEcShardsCopyRequest) Reset() { *m = VolumeEcShardsCopyRequest{} }
@ -966,6 +977,13 @@ func (m *VolumeEcShardsCopyRequest) GetSourceDataNode() string {
return ""
}
func (m *VolumeEcShardsCopyRequest) GetCopyEcjFile() bool {
if m != nil {
return m.CopyEcjFile
}
return false
}
type VolumeEcShardsCopyResponse struct {
}
@ -1206,6 +1224,38 @@ func (m *VolumeEcBlobDeleteResponse) String() string { return proto.C
func (*VolumeEcBlobDeleteResponse) ProtoMessage() {}
func (*VolumeEcBlobDeleteResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{51} }
type VolumeEcShardsToVolumeRequest struct {
VolumeId uint32 `protobuf:"varint,1,opt,name=volume_id,json=volumeId" json:"volume_id,omitempty"`
Collection string `protobuf:"bytes,2,opt,name=collection" json:"collection,omitempty"`
}
func (m *VolumeEcShardsToVolumeRequest) Reset() { *m = VolumeEcShardsToVolumeRequest{} }
func (m *VolumeEcShardsToVolumeRequest) String() string { return proto.CompactTextString(m) }
func (*VolumeEcShardsToVolumeRequest) ProtoMessage() {}
func (*VolumeEcShardsToVolumeRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{52} }
func (m *VolumeEcShardsToVolumeRequest) GetVolumeId() uint32 {
if m != nil {
return m.VolumeId
}
return 0
}
func (m *VolumeEcShardsToVolumeRequest) GetCollection() string {
if m != nil {
return m.Collection
}
return ""
}
type VolumeEcShardsToVolumeResponse struct {
}
func (m *VolumeEcShardsToVolumeResponse) Reset() { *m = VolumeEcShardsToVolumeResponse{} }
func (m *VolumeEcShardsToVolumeResponse) String() string { return proto.CompactTextString(m) }
func (*VolumeEcShardsToVolumeResponse) ProtoMessage() {}
func (*VolumeEcShardsToVolumeResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{53} }
type ReadVolumeFileStatusRequest struct {
VolumeId uint32 `protobuf:"varint,1,opt,name=volume_id,json=volumeId" json:"volume_id,omitempty"`
}
@ -1213,7 +1263,7 @@ type ReadVolumeFileStatusRequest struct {
func (m *ReadVolumeFileStatusRequest) Reset() { *m = ReadVolumeFileStatusRequest{} }
func (m *ReadVolumeFileStatusRequest) String() string { return proto.CompactTextString(m) }
func (*ReadVolumeFileStatusRequest) ProtoMessage() {}
func (*ReadVolumeFileStatusRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{52} }
func (*ReadVolumeFileStatusRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{54} }
func (m *ReadVolumeFileStatusRequest) GetVolumeId() uint32 {
if m != nil {
@ -1236,7 +1286,7 @@ type ReadVolumeFileStatusResponse struct {
func (m *ReadVolumeFileStatusResponse) Reset() { *m = ReadVolumeFileStatusResponse{} }
func (m *ReadVolumeFileStatusResponse) String() string { return proto.CompactTextString(m) }
func (*ReadVolumeFileStatusResponse) ProtoMessage() {}
func (*ReadVolumeFileStatusResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{53} }
func (*ReadVolumeFileStatusResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{55} }
func (m *ReadVolumeFileStatusResponse) GetVolumeId() uint32 {
if m != nil {
@ -1304,7 +1354,7 @@ type DiskStatus struct {
func (m *DiskStatus) Reset() { *m = DiskStatus{} }
func (m *DiskStatus) String() string { return proto.CompactTextString(m) }
func (*DiskStatus) ProtoMessage() {}
func (*DiskStatus) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{54} }
func (*DiskStatus) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{56} }
func (m *DiskStatus) GetDir() string {
if m != nil {
@ -1347,7 +1397,7 @@ type MemStatus struct {
func (m *MemStatus) Reset() { *m = MemStatus{} }
func (m *MemStatus) String() string { return proto.CompactTextString(m) }
func (*MemStatus) ProtoMessage() {}
func (*MemStatus) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{55} }
func (*MemStatus) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{57} }
func (m *MemStatus) GetGoroutines() int32 {
if m != nil {
@ -1411,7 +1461,7 @@ type RemoteFile struct {
func (m *RemoteFile) Reset() { *m = RemoteFile{} }
func (m *RemoteFile) String() string { return proto.CompactTextString(m) }
func (*RemoteFile) ProtoMessage() {}
func (*RemoteFile) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{56} }
func (*RemoteFile) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{58} }
func (m *RemoteFile) GetBackendType() string {
if m != nil {
@ -1462,7 +1512,7 @@ type VolumeTierInfo struct {
func (m *VolumeTierInfo) Reset() { *m = VolumeTierInfo{} }
func (m *VolumeTierInfo) String() string { return proto.CompactTextString(m) }
func (*VolumeTierInfo) ProtoMessage() {}
func (*VolumeTierInfo) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{57} }
func (*VolumeTierInfo) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{59} }
func (m *VolumeTierInfo) GetFiles() []*RemoteFile {
if m != nil {
@ -1482,7 +1532,7 @@ func (m *VolumeTierCopyDatToRemoteRequest) Reset() { *m = VolumeTierCopy
func (m *VolumeTierCopyDatToRemoteRequest) String() string { return proto.CompactTextString(m) }
func (*VolumeTierCopyDatToRemoteRequest) ProtoMessage() {}
func (*VolumeTierCopyDatToRemoteRequest) Descriptor() ([]byte, []int) {
return fileDescriptor0, []int{58}
return fileDescriptor0, []int{60}
}
func (m *VolumeTierCopyDatToRemoteRequest) GetVolumeId() uint32 {
@ -1522,7 +1572,7 @@ func (m *VolumeTierCopyDatToRemoteResponse) Reset() { *m = VolumeTierCop
func (m *VolumeTierCopyDatToRemoteResponse) String() string { return proto.CompactTextString(m) }
func (*VolumeTierCopyDatToRemoteResponse) ProtoMessage() {}
func (*VolumeTierCopyDatToRemoteResponse) Descriptor() ([]byte, []int) {
return fileDescriptor0, []int{59}
return fileDescriptor0, []int{61}
}
func (m *VolumeTierCopyDatToRemoteResponse) GetProcessed() int64 {
@ -1551,7 +1601,7 @@ type QueryRequest struct {
func (m *QueryRequest) Reset() { *m = QueryRequest{} }
func (m *QueryRequest) String() string { return proto.CompactTextString(m) }
func (*QueryRequest) ProtoMessage() {}
func (*QueryRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{60} }
func (*QueryRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{62} }
func (m *QueryRequest) GetSelections() []string {
if m != nil {
@ -1597,7 +1647,7 @@ type QueryRequest_Filter struct {
func (m *QueryRequest_Filter) Reset() { *m = QueryRequest_Filter{} }
func (m *QueryRequest_Filter) String() string { return proto.CompactTextString(m) }
func (*QueryRequest_Filter) ProtoMessage() {}
func (*QueryRequest_Filter) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{60, 0} }
func (*QueryRequest_Filter) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{62, 0} }
func (m *QueryRequest_Filter) GetField() string {
if m != nil {
@ -1632,7 +1682,7 @@ func (m *QueryRequest_InputSerialization) Reset() { *m = QueryRequest_In
func (m *QueryRequest_InputSerialization) String() string { return proto.CompactTextString(m) }
func (*QueryRequest_InputSerialization) ProtoMessage() {}
func (*QueryRequest_InputSerialization) Descriptor() ([]byte, []int) {
return fileDescriptor0, []int{60, 1}
return fileDescriptor0, []int{62, 1}
}
func (m *QueryRequest_InputSerialization) GetCompressionType() string {
@ -1680,7 +1730,7 @@ func (m *QueryRequest_InputSerialization_CSVInput) Reset() {
func (m *QueryRequest_InputSerialization_CSVInput) String() string { return proto.CompactTextString(m) }
func (*QueryRequest_InputSerialization_CSVInput) ProtoMessage() {}
func (*QueryRequest_InputSerialization_CSVInput) Descriptor() ([]byte, []int) {
return fileDescriptor0, []int{60, 1, 0}
return fileDescriptor0, []int{62, 1, 0}
}
func (m *QueryRequest_InputSerialization_CSVInput) GetFileHeaderInfo() string {
@ -1742,7 +1792,7 @@ func (m *QueryRequest_InputSerialization_JSONInput) Reset() {
func (m *QueryRequest_InputSerialization_JSONInput) String() string { return proto.CompactTextString(m) }
func (*QueryRequest_InputSerialization_JSONInput) ProtoMessage() {}
func (*QueryRequest_InputSerialization_JSONInput) Descriptor() ([]byte, []int) {
return fileDescriptor0, []int{60, 1, 1}
return fileDescriptor0, []int{62, 1, 1}
}
func (m *QueryRequest_InputSerialization_JSONInput) GetType() string {
@ -1763,7 +1813,7 @@ func (m *QueryRequest_InputSerialization_ParquetInput) String() string {
}
func (*QueryRequest_InputSerialization_ParquetInput) ProtoMessage() {}
func (*QueryRequest_InputSerialization_ParquetInput) Descriptor() ([]byte, []int) {
return fileDescriptor0, []int{60, 1, 2}
return fileDescriptor0, []int{62, 1, 2}
}
type QueryRequest_OutputSerialization struct {
@ -1775,7 +1825,7 @@ func (m *QueryRequest_OutputSerialization) Reset() { *m = QueryRequest_O
func (m *QueryRequest_OutputSerialization) String() string { return proto.CompactTextString(m) }
func (*QueryRequest_OutputSerialization) ProtoMessage() {}
func (*QueryRequest_OutputSerialization) Descriptor() ([]byte, []int) {
return fileDescriptor0, []int{60, 2}
return fileDescriptor0, []int{62, 2}
}
func (m *QueryRequest_OutputSerialization) GetCsvOutput() *QueryRequest_OutputSerialization_CSVOutput {
@ -1808,7 +1858,7 @@ func (m *QueryRequest_OutputSerialization_CSVOutput) String() string {
}
func (*QueryRequest_OutputSerialization_CSVOutput) ProtoMessage() {}
func (*QueryRequest_OutputSerialization_CSVOutput) Descriptor() ([]byte, []int) {
return fileDescriptor0, []int{60, 2, 0}
return fileDescriptor0, []int{62, 2, 0}
}
func (m *QueryRequest_OutputSerialization_CSVOutput) GetQuoteFields() string {
@ -1858,7 +1908,7 @@ func (m *QueryRequest_OutputSerialization_JSONOutput) String() string {
}
func (*QueryRequest_OutputSerialization_JSONOutput) ProtoMessage() {}
func (*QueryRequest_OutputSerialization_JSONOutput) Descriptor() ([]byte, []int) {
return fileDescriptor0, []int{60, 2, 1}
return fileDescriptor0, []int{62, 2, 1}
}
func (m *QueryRequest_OutputSerialization_JSONOutput) GetRecordDelimiter() string {
@ -1875,7 +1925,7 @@ type QueriedStripe struct {
func (m *QueriedStripe) Reset() { *m = QueriedStripe{} }
func (m *QueriedStripe) String() string { return proto.CompactTextString(m) }
func (*QueriedStripe) ProtoMessage() {}
func (*QueriedStripe) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{61} }
func (*QueriedStripe) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{63} }
func (m *QueriedStripe) GetRecords() []byte {
if m != nil {
@ -1937,6 +1987,8 @@ func init() {
proto.RegisterType((*VolumeEcShardReadResponse)(nil), "volume_server_pb.VolumeEcShardReadResponse")
proto.RegisterType((*VolumeEcBlobDeleteRequest)(nil), "volume_server_pb.VolumeEcBlobDeleteRequest")
proto.RegisterType((*VolumeEcBlobDeleteResponse)(nil), "volume_server_pb.VolumeEcBlobDeleteResponse")
proto.RegisterType((*VolumeEcShardsToVolumeRequest)(nil), "volume_server_pb.VolumeEcShardsToVolumeRequest")
proto.RegisterType((*VolumeEcShardsToVolumeResponse)(nil), "volume_server_pb.VolumeEcShardsToVolumeResponse")
proto.RegisterType((*ReadVolumeFileStatusRequest)(nil), "volume_server_pb.ReadVolumeFileStatusRequest")
proto.RegisterType((*ReadVolumeFileStatusResponse)(nil), "volume_server_pb.ReadVolumeFileStatusResponse")
proto.RegisterType((*DiskStatus)(nil), "volume_server_pb.DiskStatus")
@ -1997,6 +2049,7 @@ type VolumeServerClient interface {
VolumeEcShardsUnmount(ctx context.Context, in *VolumeEcShardsUnmountRequest, opts ...grpc.CallOption) (*VolumeEcShardsUnmountResponse, error)
VolumeEcShardRead(ctx context.Context, in *VolumeEcShardReadRequest, opts ...grpc.CallOption) (VolumeServer_VolumeEcShardReadClient, error)
VolumeEcBlobDelete(ctx context.Context, in *VolumeEcBlobDeleteRequest, opts ...grpc.CallOption) (*VolumeEcBlobDeleteResponse, error)
VolumeEcShardsToVolume(ctx context.Context, in *VolumeEcShardsToVolumeRequest, opts ...grpc.CallOption) (*VolumeEcShardsToVolumeResponse, error)
// tiered storage
VolumeTierCopyDatToRemote(ctx context.Context, in *VolumeTierCopyDatToRemoteRequest, opts ...grpc.CallOption) (VolumeServer_VolumeTierCopyDatToRemoteClient, error)
// query
@ -2337,6 +2390,15 @@ func (c *volumeServerClient) VolumeEcBlobDelete(ctx context.Context, in *VolumeE
return out, nil
}
func (c *volumeServerClient) VolumeEcShardsToVolume(ctx context.Context, in *VolumeEcShardsToVolumeRequest, opts ...grpc.CallOption) (*VolumeEcShardsToVolumeResponse, error) {
out := new(VolumeEcShardsToVolumeResponse)
err := grpc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcShardsToVolume", in, out, c.cc, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *volumeServerClient) VolumeTierCopyDatToRemote(ctx context.Context, in *VolumeTierCopyDatToRemoteRequest, opts ...grpc.CallOption) (VolumeServer_VolumeTierCopyDatToRemoteClient, error) {
stream, err := grpc.NewClientStream(ctx, &_VolumeServer_serviceDesc.Streams[4], c.cc, "/volume_server_pb.VolumeServer/VolumeTierCopyDatToRemote", opts...)
if err != nil {
@ -2433,6 +2495,7 @@ type VolumeServerServer interface {
VolumeEcShardsUnmount(context.Context, *VolumeEcShardsUnmountRequest) (*VolumeEcShardsUnmountResponse, error)
VolumeEcShardRead(*VolumeEcShardReadRequest, VolumeServer_VolumeEcShardReadServer) error
VolumeEcBlobDelete(context.Context, *VolumeEcBlobDeleteRequest) (*VolumeEcBlobDeleteResponse, error)
VolumeEcShardsToVolume(context.Context, *VolumeEcShardsToVolumeRequest) (*VolumeEcShardsToVolumeResponse, error)
// tiered storage
VolumeTierCopyDatToRemote(*VolumeTierCopyDatToRemoteRequest, VolumeServer_VolumeTierCopyDatToRemoteServer) error
// query
@ -2923,6 +2986,24 @@ func _VolumeServer_VolumeEcBlobDelete_Handler(srv interface{}, ctx context.Conte
return interceptor(ctx, in, info, handler)
}
func _VolumeServer_VolumeEcShardsToVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(VolumeEcShardsToVolumeRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(VolumeServerServer).VolumeEcShardsToVolume(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/volume_server_pb.VolumeServer/VolumeEcShardsToVolume",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(VolumeServerServer).VolumeEcShardsToVolume(ctx, req.(*VolumeEcShardsToVolumeRequest))
}
return interceptor(ctx, in, info, handler)
}
func _VolumeServer_VolumeTierCopyDatToRemote_Handler(srv interface{}, stream grpc.ServerStream) error {
m := new(VolumeTierCopyDatToRemoteRequest)
if err := stream.RecvMsg(m); err != nil {
@ -3057,6 +3138,10 @@ var _VolumeServer_serviceDesc = grpc.ServiceDesc{
MethodName: "VolumeEcBlobDelete",
Handler: _VolumeServer_VolumeEcBlobDelete_Handler,
},
{
MethodName: "VolumeEcShardsToVolume",
Handler: _VolumeServer_VolumeEcShardsToVolume_Handler,
},
},
Streams: []grpc.StreamDesc{
{
@ -3096,176 +3181,181 @@ var _VolumeServer_serviceDesc = grpc.ServiceDesc{
func init() { proto.RegisterFile("volume_server.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{
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0x2f, 0x87, 0x5e, 0xb6, 0x25, 0x50, 0x6f, 0xed, 0x8a, 0x0e, 0x49, 0xbd, 0xb5, 0x2b, 0xbb, 0x0c,
0x22, 0x3e, 0xaa, 0x9e, 0xfb, 0xab, 0xe2, 0xe3, 0x98, 0x7e, 0x84, 0xb1, 0xd9, 0x14, 0x3d, 0x77,
0x7c, 0x97, 0xdf, 0xf3, 0xd1, 0xd4, 0xf5, 0xe7, 0x32, 0xf3, 0xb5, 0x86, 0xd8, 0xf5, 0xbb, 0xab,
0x33, 0xf5, 0x54, 0x05, 0x0a, 0x19, 0xfb, 0x7a, 0x63, 0xfc, 0x54, 0x76, 0xa4, 0x7f, 0x14, 0xc8,
0xbc, 0xc5, 0xa3, 0xab, 0x53, 0xf8, 0x64, 0x7a, 0x09, 0xc6, 0xeb, 0x8d, 0x70, 0xab, 0xa2, 0x37,
0xfb, 0x3a, 0x7e, 0x9c, 0x3f, 0x95, 0x9e, 0xf4, 0x8f, 0xf3, 0xa7, 0x8a, 0x07, 0xf7, 0x8a, 0xe8,
0xd5, 0x8f, 0xe2, 0xd3, 0xa3, 0xb7, 0xf0, 0x38, 0x3f, 0x3d, 0x7a, 0x4b, 0xef, 0xed, 0x33, 0xe8,
0xd7, 0x93, 0x06, 0x72, 0xf9, 0xe1, 0x0b, 0x6d, 0xd5, 0xa6, 0xa2, 0xda, 0xf7, 0x3e, 0xe3, 0xad,
0x13, 0xd1, 0x64, 0x8c, 0xff, 0x11, 0xcc, 0x8b, 0x62, 0x0f, 0x5d, 0x3c, 0xbe, 0x0a, 0x34, 0x2e,
0x55, 0xcf, 0xa7, 0xb5, 0x0c, 0xe7, 0xb6, 0xbf, 0x20, 0xfe, 0xcc, 0x7c, 0xeb, 0x3f, 0x01, 0x00,
0x00, 0xff, 0xff, 0x59, 0x62, 0x68, 0x9d, 0xb0, 0x29, 0x00, 0x00,
}

7
weed/server/master_grpc_server_volume.go
View file

@ -5,10 +5,11 @@ import (
"fmt"
"github.com/chrislusf/raft"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/security"
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"github.com/chrislusf/seaweedfs/weed/topology"
)
@ -52,7 +53,7 @@ func (ms *MasterServer) Assign(ctx context.Context, req *master_pb.AssignRequest
if req.Replication == "" {
req.Replication = ms.option.DefaultReplicaPlacement
}
replicaPlacement, err := storage.NewReplicaPlacementFromString(req.Replication)
replicaPlacement, err := super_block.NewReplicaPlacementFromString(req.Replication)
if err != nil {
return nil, err
}
@ -108,7 +109,7 @@ func (ms *MasterServer) Statistics(ctx context.Context, req *master_pb.Statistic
if req.Replication == "" {
req.Replication = ms.option.DefaultReplicaPlacement
}
replicaPlacement, err := storage.NewReplicaPlacementFromString(req.Replication)
replicaPlacement, err := super_block.NewReplicaPlacementFromString(req.Replication)
if err != nil {
return nil, err
}

4
weed/server/master_server_handlers_admin.go
View file

@ -10,9 +10,9 @@ import (
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/storage/backend/memory_map"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"github.com/chrislusf/seaweedfs/weed/topology"
"github.com/chrislusf/seaweedfs/weed/util"
)
@ -145,7 +145,7 @@ func (ms *MasterServer) getVolumeGrowOption(r *http.Request) (*topology.VolumeGr
if replicationString == "" {
replicationString = ms.option.DefaultReplicaPlacement
}
replicaPlacement, err := storage.NewReplicaPlacementFromString(replicationString)
replicaPlacement, err := super_block.NewReplicaPlacementFromString(replicationString)
if err != nil {
return nil, err
}

22
weed/server/volume_grpc_copy.go
View file

@ -55,11 +55,11 @@ func (vs *VolumeServer) VolumeCopy(ctx context.Context, req *volume_server_pb.Vo
// println("source:", volFileInfoResp.String())
// copy ecx file
if err := vs.doCopyFile(ctx, client, false, req.Collection, req.VolumeId, volFileInfoResp.CompactionRevision, volFileInfoResp.IdxFileSize, volumeFileName, ".idx", false); err != nil {
if err := vs.doCopyFile(ctx, client, false, req.Collection, req.VolumeId, volFileInfoResp.CompactionRevision, volFileInfoResp.IdxFileSize, volumeFileName, ".idx", false, false); err != nil {
return err
}
if err := vs.doCopyFile(ctx, client, false, req.Collection, req.VolumeId, volFileInfoResp.CompactionRevision, volFileInfoResp.DatFileSize, volumeFileName, ".dat", false); err != nil {
if err := vs.doCopyFile(ctx, client, false, req.Collection, req.VolumeId, volFileInfoResp.CompactionRevision, volFileInfoResp.DatFileSize, volumeFileName, ".dat", false, true); err != nil {
return err
}
@ -95,15 +95,16 @@ func (vs *VolumeServer) VolumeCopy(ctx context.Context, req *volume_server_pb.Vo
}
func (vs *VolumeServer) doCopyFile(ctx context.Context, client volume_server_pb.VolumeServerClient, isEcVolume bool, collection string, vid uint32,
compactRevision uint32, stopOffset uint64, baseFileName, ext string, isAppend bool) error {
compactRevision uint32, stopOffset uint64, baseFileName, ext string, isAppend bool, ignoreSourceFileNotFound bool) error {
copyFileClient, err := client.CopyFile(ctx, &volume_server_pb.CopyFileRequest{
VolumeId: vid,
Ext: ext,
CompactionRevision: compactRevision,
StopOffset: stopOffset,
Collection: collection,
IsEcVolume: isEcVolume,
VolumeId: vid,
Ext: ext,
CompactionRevision: compactRevision,
StopOffset: stopOffset,
Collection: collection,
IsEcVolume: isEcVolume,
IgnoreSourceFileNotFound: ignoreSourceFileNotFound,
})
if err != nil {
return fmt.Errorf("failed to start copying volume %d %s file: %v", vid, ext, err)
@ -221,6 +222,9 @@ func (vs *VolumeServer) CopyFile(req *volume_server_pb.CopyFileRequest, stream v
file, err := os.Open(fileName)
if err != nil {
if req.IgnoreSourceFileNotFound && err == os.ErrNotExist {
return nil
}
return err
}
defer file.Close()

75
weed/server/volume_grpc_erasure_coding.go
View file

@ -8,6 +8,7 @@ import (
"math"
"os"
"path"
"path/filepath"
"strings"
"github.com/chrislusf/seaweedfs/weed/glog"
@ -24,7 +25,7 @@ import (
Steps to apply erasure coding to .dat .idx files
0. ensure the volume is readonly
1. client call VolumeEcShardsGenerate to generate the .ecx and .ec01~.ec14 files
1. client call VolumeEcShardsGenerate to generate the .ecx and .ec00 ~ .ec13 files
2. client ask master for possible servers to hold the ec files, at least 4 servers
3. client call VolumeEcShardsCopy on above target servers to copy ec files from the source server
4. target servers report the new ec files to the master
@ -33,7 +34,7 @@ Steps to apply erasure coding to .dat .idx files
*/
// VolumeEcShardsGenerate generates the .ecx and .ec01 ~ .ec14 files
// VolumeEcShardsGenerate generates the .ecx and .ec00 ~ .ec13 files
func (vs *VolumeServer) VolumeEcShardsGenerate(ctx context.Context, req *volume_server_pb.VolumeEcShardsGenerateRequest) (*volume_server_pb.VolumeEcShardsGenerateResponse, error) {
v := vs.store.GetVolume(needle.VolumeId(req.VolumeId))
@ -51,7 +52,7 @@ func (vs *VolumeServer) VolumeEcShardsGenerate(ctx context.Context, req *volume_
return nil, fmt.Errorf("WriteSortedFileFromIdx %s: %v", baseFileName, err)
}
// write .ec01 ~ .ec14 files
// write .ec00 ~ .ec13 files
if err := erasure_coding.WriteEcFiles(baseFileName); err != nil {
return nil, fmt.Errorf("WriteEcFiles %s: %v", baseFileName, err)
}
@ -59,7 +60,7 @@ func (vs *VolumeServer) VolumeEcShardsGenerate(ctx context.Context, req *volume_
return &volume_server_pb.VolumeEcShardsGenerateResponse{}, nil
}
// VolumeEcShardsRebuild generates the any of the missing .ec01 ~ .ec14 files
// VolumeEcShardsRebuild generates the any of the missing .ec00 ~ .ec13 files
func (vs *VolumeServer) VolumeEcShardsRebuild(ctx context.Context, req *volume_server_pb.VolumeEcShardsRebuildRequest) (*volume_server_pb.VolumeEcShardsRebuildResponse, error) {
baseFileName := erasure_coding.EcShardBaseFileName(req.Collection, int(req.VolumeId))
@ -68,7 +69,7 @@ func (vs *VolumeServer) VolumeEcShardsRebuild(ctx context.Context, req *volume_s
for _, location := range vs.store.Locations {
if util.FileExists(path.Join(location.Directory, baseFileName+".ecx")) {
// write .ec01 ~ .ec14 files
// write .ec00 ~ .ec13 files
baseFileName = path.Join(location.Directory, baseFileName)
if generatedShardIds, err := erasure_coding.RebuildEcFiles(baseFileName); err != nil {
return nil, fmt.Errorf("RebuildEcFiles %s: %v", baseFileName, err)
@ -103,25 +104,26 @@ func (vs *VolumeServer) VolumeEcShardsCopy(ctx context.Context, req *volume_serv
// copy ec data slices
for _, shardId := range req.ShardIds {
if err := vs.doCopyFile(ctx, client, true, req.Collection, req.VolumeId, math.MaxUint32, math.MaxInt64, baseFileName, erasure_coding.ToExt(int(shardId)), false); err != nil {
if err := vs.doCopyFile(ctx, client, true, req.Collection, req.VolumeId, math.MaxUint32, math.MaxInt64, baseFileName, erasure_coding.ToExt(int(shardId)), false, false); err != nil {
return err
}
}
if !req.CopyEcxFile {
if req.CopyEcxFile {
// copy ecx file
if err := vs.doCopyFile(ctx, client, true, req.Collection, req.VolumeId, math.MaxUint32, math.MaxInt64, baseFileName, ".ecx", false, false); err != nil {
return err
}
return nil
}
// copy ecx file
if err := vs.doCopyFile(ctx, client, true, req.Collection, req.VolumeId, math.MaxUint32, math.MaxInt64, baseFileName, ".ecx", false); err != nil {
return err
if req.CopyEcjFile {
// copy ecj file
if err := vs.doCopyFile(ctx, client, true, req.Collection, req.VolumeId, math.MaxUint32, math.MaxInt64, baseFileName, ".ecj", true, true); err != nil {
return err
}
}
// copy ecj file
if err := vs.doCopyFile(ctx, client, true, req.Collection, req.VolumeId, math.MaxUint32, math.MaxInt64, baseFileName, ".ecj", true); err != nil {
return err
}
return nil
})
if err != nil {
@ -137,6 +139,8 @@ func (vs *VolumeServer) VolumeEcShardsDelete(ctx context.Context, req *volume_se
baseFilename := erasure_coding.EcShardBaseFileName(req.Collection, int(req.VolumeId))
glog.V(0).Infof("ec volume %d shard delete %v", req.VolumeId, req.ShardIds)
found := false
for _, location := range vs.store.Locations {
if util.FileExists(path.Join(location.Directory, baseFilename+".ecx")) {
@ -153,21 +157,22 @@ func (vs *VolumeServer) VolumeEcShardsDelete(ctx context.Context, req *volume_se
return nil, nil
}
// check whether to delete the ecx file also
// check whether to delete the .ecx and .ecj file also
hasEcxFile := false
existingShardCount := 0
bName := filepath.Base(baseFilename)
for _, location := range vs.store.Locations {
fileInfos, err := ioutil.ReadDir(location.Directory)
if err != nil {
continue
}
for _, fileInfo := range fileInfos {
if fileInfo.Name() == baseFilename+".ecx" {
if fileInfo.Name() == bName+".ecx" || fileInfo.Name() == bName+".ecj"{
hasEcxFile = true
continue
}
if strings.HasPrefix(fileInfo.Name(), baseFilename+".ec") {
if strings.HasPrefix(fileInfo.Name(), bName+".ec") {
existingShardCount++
}
}
@ -317,3 +322,35 @@ func (vs *VolumeServer) VolumeEcBlobDelete(ctx context.Context, req *volume_serv
return resp, nil
}
// VolumeEcShardsToVolume generates the .idx, .dat files from .ecx, .ecj and .ec01 ~ .ec14 files
func (vs *VolumeServer) VolumeEcShardsToVolume(ctx context.Context, req *volume_server_pb.VolumeEcShardsToVolumeRequest) (*volume_server_pb.VolumeEcShardsToVolumeResponse, error) {
v, found := vs.store.FindEcVolume(needle.VolumeId(req.VolumeId))
if !found {
return nil, fmt.Errorf("ec volume %d not found", req.VolumeId)
}
baseFileName := v.FileName()
if v.Collection != req.Collection {
return nil, fmt.Errorf("existing collection:%v unexpected input: %v", v.Collection, req.Collection)
}
// calculate .dat file size
datFileSize, err := erasure_coding.FindDatFileSize(baseFileName)
if err != nil {
return nil, fmt.Errorf("FindDatFileSize %s: %v", baseFileName, err)
}
// write .dat file from .ec00 ~ .ec09 files
if err := erasure_coding.WriteDatFile(baseFileName, datFileSize); err != nil {
return nil, fmt.Errorf("WriteEcFiles %s: %v", baseFileName, err)
}
// write .idx file from .ecx and .ecj files
if err := erasure_coding.WriteIdxFileFromEcIndex(baseFileName); err != nil {
return nil, fmt.Errorf("WriteIdxFileFromEcIndex %s: %v", baseFileName, err)
}
return &volume_server_pb.VolumeEcShardsToVolumeResponse{}, nil
}

3
weed/server/volume_grpc_tail.go
View file

@ -10,6 +10,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
)
func (vs *VolumeServer) VolumeTailSender(req *volume_server_pb.VolumeTailSenderRequest, stream volume_server_pb.VolumeServer_VolumeTailSenderServer) error {
@ -101,7 +102,7 @@ type VolumeFileScanner4Tailing struct {
lastProcessedTimestampNs uint64
}
func (scanner *VolumeFileScanner4Tailing) VisitSuperBlock(superBlock storage.SuperBlock) error {
func (scanner *VolumeFileScanner4Tailing) VisitSuperBlock(superBlock super_block.SuperBlock) error {
return nil
}

1
weed/shell/command_ec_common.go
View file

@ -70,6 +70,7 @@ func oneServerCopyAndMountEcShardsFromSource(ctx context.Context, grpcDialOption
Collection: collection,
ShardIds: shardIdsToCopy,
CopyEcxFile: true,
CopyEcjFile: true,
SourceDataNode: existingLocation,
})
if copyErr != nil {

263
weed/shell/command_ec_decode.go Normal file
View file

@ -0,0 +1,263 @@
package shell
import (
"context"
"flag"
"fmt"
"io"
"google.golang.org/grpc"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
"github.com/chrislusf/seaweedfs/weed/storage/erasure_coding"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
)
func init() {
Commands = append(Commands, &commandEcDecode{})
}
type commandEcDecode struct {
}
func (c *commandEcDecode) Name() string {
return "ec.decode"
}
func (c *commandEcDecode) Help() string {
return `decode a erasure coded volume into a normal volume
ec.decode [-collection=""] [-volumeId=<volume_id>]
`
}
func (c *commandEcDecode) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
encodeCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
volumeId := encodeCommand.Int("volumeId", 0, "the volume id")
collection := encodeCommand.String("collection", "", "the collection name")
if err = encodeCommand.Parse(args); err != nil {
return nil
}
ctx := context.Background()
vid := needle.VolumeId(*volumeId)
// collect topology information
topologyInfo, err := collectTopologyInfoForEcDecode(ctx, commandEnv)
if err != nil {
return err
}
// volumeId is provided
if vid != 0 {
return doEcDecode(ctx, commandEnv, topologyInfo, *collection, vid)
}
// apply to all volumes in the collection
volumeIds := collectEcShardIds(topologyInfo, *collection)
fmt.Printf("ec encode volumes: %v\n", volumeIds)
for _, vid := range volumeIds {
if err = doEcDecode(ctx, commandEnv, topologyInfo, *collection, vid); err != nil {
return err
}
}
return nil
}
func doEcDecode(ctx context.Context, commandEnv *CommandEnv, topoInfo *master_pb.TopologyInfo, collection string, vid needle.VolumeId) (err error) {
// find volume location
nodeToEcIndexBits := collectEcNodeShardBits(topoInfo, vid)
fmt.Printf("ec volume %d shard locations: %+v\n", vid, nodeToEcIndexBits)
// collect ec shards to the server with most space
targetNodeLocation, err := collectEcShards(ctx, commandEnv, nodeToEcIndexBits, collection, vid)
if err != nil {
return fmt.Errorf("collectEcShards for volume %d: %v", vid, err)
}
// generate a normal volume
err = generateNormalVolume(ctx, commandEnv.option.GrpcDialOption, needle.VolumeId(vid), collection, targetNodeLocation)
if err != nil {
return fmt.Errorf("generate normal volume %d on %s: %v", vid, targetNodeLocation, err)
}
// delete the previous ec shards
err = mountVolumeAndDeleteEcShards(ctx, commandEnv.option.GrpcDialOption, collection, targetNodeLocation, nodeToEcIndexBits, vid)
if err != nil {
return fmt.Errorf("delete ec shards for volume %d: %v", vid, err)
}
return nil
}
func mountVolumeAndDeleteEcShards(ctx context.Context, grpcDialOption grpc.DialOption, collection, targetNodeLocation string, nodeToEcIndexBits map[string]erasure_coding.ShardBits, vid needle.VolumeId) error {
// mount volume
if err := operation.WithVolumeServerClient(targetNodeLocation, grpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error {
_, mountErr := volumeServerClient.VolumeMount(ctx, &volume_server_pb.VolumeMountRequest{
VolumeId: uint32(vid),
})
return mountErr
}); err != nil {
return fmt.Errorf("mountVolumeAndDeleteEcShards mount volume %d on %s: %v", vid, targetNodeLocation, err)
}
// unmount ec shards
for location, ecIndexBits := range nodeToEcIndexBits {
fmt.Printf("unmount ec volume %d on %s has shards: %+v\n", vid, location, ecIndexBits.ShardIds())
err := unmountEcShards(ctx, grpcDialOption, vid, location, ecIndexBits.ToUint32Slice())
if err != nil {
return fmt.Errorf("mountVolumeAndDeleteEcShards unmount ec volume %d on %s: %v", vid, location, err)
}
}
// delete ec shards
for location, ecIndexBits := range nodeToEcIndexBits {
fmt.Printf("delete ec volume %d on %s has shards: %+v\n", vid, location, ecIndexBits.ShardIds())
err := sourceServerDeleteEcShards(ctx, grpcDialOption, collection, vid, location, ecIndexBits.ToUint32Slice())
if err != nil {
return fmt.Errorf("mountVolumeAndDeleteEcShards delete ec volume %d on %s: %v", vid, location, err)
}
}
return nil
}
func generateNormalVolume(ctx context.Context, grpcDialOption grpc.DialOption, vid needle.VolumeId, collection string, sourceVolumeServer string) error {
fmt.Printf("generateNormalVolume from ec volume %d on %s\n", vid, sourceVolumeServer)
err := operation.WithVolumeServerClient(sourceVolumeServer, grpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error {
_, genErr := volumeServerClient.VolumeEcShardsToVolume(ctx, &volume_server_pb.VolumeEcShardsToVolumeRequest{
VolumeId: uint32(vid),
Collection: collection,
})
return genErr
})
return err
}
func collectEcShards(ctx context.Context, commandEnv *CommandEnv, nodeToEcIndexBits map[string]erasure_coding.ShardBits, collection string, vid needle.VolumeId) (targetNodeLocation string, err error) {
maxShardCount := 0
var exisitngEcIndexBits erasure_coding.ShardBits
for loc, ecIndexBits := range nodeToEcIndexBits {
if ecIndexBits.ShardIdCount() > maxShardCount {
maxShardCount = ecIndexBits.ShardIdCount()
targetNodeLocation = loc
exisitngEcIndexBits = ecIndexBits
}
}
fmt.Printf("collectEcShards: ec volume %d collect shards to %s from: %+v\n", vid, targetNodeLocation, nodeToEcIndexBits)
var copiedEcIndexBits erasure_coding.ShardBits
for loc, ecIndexBits := range nodeToEcIndexBits {
if loc == targetNodeLocation {
continue
}
needToCopyEcIndexBits := ecIndexBits.Minus(exisitngEcIndexBits)
if needToCopyEcIndexBits.ShardIdCount() == 0 {
continue
}
err = operation.WithVolumeServerClient(targetNodeLocation, commandEnv.option.GrpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error {
fmt.Printf("copy %d.%v %s => %s\n", vid, needToCopyEcIndexBits.ShardIds(), loc, targetNodeLocation)
_, copyErr := volumeServerClient.VolumeEcShardsCopy(ctx, &volume_server_pb.VolumeEcShardsCopyRequest{
VolumeId: uint32(vid),
Collection: collection,
ShardIds: needToCopyEcIndexBits.ToUint32Slice(),
CopyEcxFile: false,
CopyEcjFile: true,
SourceDataNode: loc,
})
if copyErr != nil {
return fmt.Errorf("copy %d.%v %s => %s : %v\n", vid, needToCopyEcIndexBits.ShardIds(), loc, targetNodeLocation, copyErr)
}
return nil
})
if err != nil {
break
}
copiedEcIndexBits = copiedEcIndexBits.Plus(needToCopyEcIndexBits)
}
nodeToEcIndexBits[targetNodeLocation] = exisitngEcIndexBits.Plus(copiedEcIndexBits)
return targetNodeLocation, err
}
func collectTopologyInfoForEcDecode(ctx context.Context, commandEnv *CommandEnv) (topoInfo *master_pb.TopologyInfo, err error) {
var resp *master_pb.VolumeListResponse
err = commandEnv.MasterClient.WithClient(ctx, func(client master_pb.SeaweedClient) error {
resp, err = client.VolumeList(ctx, &master_pb.VolumeListRequest{})
return err
})
if err != nil {
return
}
return resp.TopologyInfo, nil
}
func collectEcShardInfos(topoInfo *master_pb.TopologyInfo, selectedCollection string, vid needle.VolumeId) (ecShardInfos []*master_pb.VolumeEcShardInformationMessage) {
eachDataNode(topoInfo, func(dc string, rack RackId, dn *master_pb.DataNodeInfo) {
for _, v := range dn.EcShardInfos {
if v.Collection == selectedCollection && v.Id == uint32(vid) {
ecShardInfos = append(ecShardInfos, v)
}
}
})
return
}
func collectEcShardIds(topoInfo *master_pb.TopologyInfo, selectedCollection string) (vids []needle.VolumeId) {
vidMap := make(map[uint32]bool)
eachDataNode(topoInfo, func(dc string, rack RackId, dn *master_pb.DataNodeInfo) {
for _, v := range dn.EcShardInfos {
if v.Collection == selectedCollection {
vidMap[v.Id] = true
}
}
})
for vid := range vidMap {
vids = append(vids, needle.VolumeId(vid))
}
return
}
func collectEcNodeShardBits(topoInfo *master_pb.TopologyInfo, vid needle.VolumeId) map[string]erasure_coding.ShardBits {
nodeToEcIndexBits := make(map[string]erasure_coding.ShardBits)
eachDataNode(topoInfo, func(dc string, rack RackId, dn *master_pb.DataNodeInfo) {
for _, v := range dn.EcShardInfos {
if v.Id == uint32(vid) {
nodeToEcIndexBits[dn.Id] = erasure_coding.ShardBits(v.EcIndexBits)
}
}
})
return nodeToEcIndexBits
}

1
weed/shell/command_ec_rebuild.go
View file

@ -215,6 +215,7 @@ func prepareDataToRecover(ctx context.Context, commandEnv *CommandEnv, rebuilder
Collection: collection,
ShardIds: []uint32{uint32(shardId)},
CopyEcxFile: needEcxFile,
CopyEcjFile: needEcxFile,
SourceDataNode: ecNodes[0].info.Id,
})
return copyErr

15
weed/shell/command_volume_fix_replication.go
View file

@ -3,13 +3,14 @@ package shell
import (
"context"
"fmt"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
"github.com/chrislusf/seaweedfs/weed/storage"
"io"
"math/rand"
"sort"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
)
func init() {
@ -78,7 +79,7 @@ func (c *commandVolumeFixReplication) Do(args []string, commandEnv *CommandEnv,
underReplicatedVolumeLocations := make(map[uint32][]location)
for vid, locations := range replicatedVolumeLocations {
volumeInfo := replicatedVolumeInfo[vid]
replicaPlacement, _ := storage.NewReplicaPlacementFromByte(byte(volumeInfo.ReplicaPlacement))
replicaPlacement, _ := super_block.NewReplicaPlacementFromByte(byte(volumeInfo.ReplicaPlacement))
if replicaPlacement.GetCopyCount() > len(locations) {
underReplicatedVolumeLocations[vid] = locations
}
@ -97,7 +98,7 @@ func (c *commandVolumeFixReplication) Do(args []string, commandEnv *CommandEnv,
for vid, locations := range underReplicatedVolumeLocations {
volumeInfo := replicatedVolumeInfo[vid]
replicaPlacement, _ := storage.NewReplicaPlacementFromByte(byte(volumeInfo.ReplicaPlacement))
replicaPlacement, _ := super_block.NewReplicaPlacementFromByte(byte(volumeInfo.ReplicaPlacement))
foundNewLocation := false
for _, dst := range allLocations {
// check whether data nodes satisfy the constraints
@ -145,7 +146,7 @@ func keepDataNodesSorted(dataNodes []location) {
})
}
func satisfyReplicaPlacement(replicaPlacement *storage.ReplicaPlacement, existingLocations []location, possibleLocation location) bool {
func satisfyReplicaPlacement(replicaPlacement *super_block.ReplicaPlacement, existingLocations []location, possibleLocation location) bool {
existingDataCenters := make(map[string]bool)
existingRacks := make(map[string]bool)

198
weed/storage/erasure_coding/ec_decoder.go Normal file
View file

@ -0,0 +1,198 @@
package erasure_coding
import (
"fmt"
"io"
"os"
"github.com/chrislusf/seaweedfs/weed/storage/backend"
"github.com/chrislusf/seaweedfs/weed/storage/idx"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/needle_map"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"github.com/chrislusf/seaweedfs/weed/storage/types"
)
// write .idx file from .ecx and .ecj files
func WriteIdxFileFromEcIndex(baseFileName string) (err error) {
ecxFile, openErr := os.OpenFile(baseFileName+".ecx", os.O_RDONLY, 0644)
if openErr != nil {
return fmt.Errorf("cannot open ec index %s.ecx: %v", baseFileName, openErr)
}
defer ecxFile.Close()
idxFile, openErr := os.OpenFile(baseFileName+".idx", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if openErr != nil {
return fmt.Errorf("cannot open %s.idx: %v", baseFileName, openErr)
}
defer idxFile.Close()
io.Copy(idxFile, ecxFile)
err = iterateEcjFile(baseFileName, func(key types.NeedleId) error {
bytes := needle_map.ToBytes(key, types.Offset{}, types.TombstoneFileSize)
idxFile.Write(bytes)
return nil
})
return err
}
// FindDatFileSize calculate .dat file size from max offset entry
// there may be extra deletions after that entry
// but they are deletions anyway
func FindDatFileSize(baseFileName string) (datSize int64, err error) {
version, err := readEcVolumeVersion(baseFileName)
if err != nil {
return 0, fmt.Errorf("read ec volume %s version: %v", baseFileName, err)
}
err = iterateEcxFile(baseFileName, func(key types.NeedleId, offset types.Offset, size uint32) error {
if size == types.TombstoneFileSize {
return nil
}
entryStopOffset := offset.ToAcutalOffset() + needle.GetActualSize(size, version)
if datSize < entryStopOffset {
datSize = entryStopOffset
}
return nil
})
return
}
func readEcVolumeVersion(baseFileName string) (version needle.Version, err error) {
// find volume version
datFile, err := os.OpenFile(baseFileName+".ec00", os.O_RDONLY, 0644)
if err != nil {
return 0, fmt.Errorf("open ec volume %s superblock: %v", baseFileName, err)
}
datBackend := backend.NewDiskFile(datFile)
superBlock, err := super_block.ReadSuperBlock(datBackend)
datBackend.Close()
if err != nil {
return 0, fmt.Errorf("read ec volume %s superblock: %v", baseFileName, err)
}
return superBlock.Version, nil
}
func iterateEcxFile(baseFileName string, processNeedleFn func(key types.NeedleId, offset types.Offset, size uint32) error) error {
ecxFile, openErr := os.OpenFile(baseFileName+".ecx", os.O_RDONLY, 0644)
if openErr != nil {
return fmt.Errorf("cannot open ec index %s.ecx: %v", baseFileName, openErr)
}
defer ecxFile.Close()
buf := make([]byte, types.NeedleMapEntrySize)
for {
n, err := ecxFile.Read(buf)
if n != types.NeedleMapEntrySize {
if err == io.EOF {
return nil
}
return err
}
key, offset, size := idx.IdxFileEntry(buf)
if processNeedleFn != nil {
err = processNeedleFn(key, offset, size)
}
if err != nil {
if err != io.EOF {
return err
}
return nil
}
}
}
func iterateEcjFile(baseFileName string, processNeedleFn func(key types.NeedleId) error) error {
ecjFile, openErr := os.OpenFile(baseFileName+".ecj", os.O_RDONLY, 0644)
if openErr != nil {
return fmt.Errorf("cannot open ec index %s.ecx: %v", baseFileName, openErr)
}
defer ecjFile.Close()
buf := make([]byte, types.NeedleIdSize)
for {
n, err := ecjFile.Read(buf)
if n != types.NeedleIdSize {
if err == io.EOF {
return nil
}
return err
}
if processNeedleFn != nil {
err = processNeedleFn(types.BytesToNeedleId(buf))
}
if err != nil {
if err == io.EOF {
return nil
}
return err
}
}
}
// WriteDatFile generates .dat from from .ec00 ~ .ec09 files
func WriteDatFile(baseFileName string, datFileSize int64) error {
datFile, openErr := os.OpenFile(baseFileName+".dat", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if openErr != nil {
return fmt.Errorf("cannot write volume %s.dat: %v", baseFileName, openErr)
}
defer datFile.Close()
inputFiles := make([]*os.File, DataShardsCount)
for shardId := 0; shardId < DataShardsCount; shardId++ {
shardFileName := baseFileName + ToExt(shardId)
inputFiles[shardId], openErr = os.OpenFile(shardFileName, os.O_RDONLY, 0)
if openErr != nil {
return openErr
}
defer inputFiles[shardId].Close()
}
for datFileSize >= DataShardsCount*ErasureCodingLargeBlockSize {
for shardId := 0; shardId < DataShardsCount; shardId++ {
w, err := io.CopyN(datFile, inputFiles[shardId], ErasureCodingLargeBlockSize)
if w != ErasureCodingLargeBlockSize {
return fmt.Errorf("copy %s large block %d: %v", baseFileName, shardId, err)
}
datFileSize -= ErasureCodingLargeBlockSize
}
}
for datFileSize > 0 {
for shardId := 0; shardId < DataShardsCount; shardId++ {
toRead := min(datFileSize, ErasureCodingSmallBlockSize)
w, err := io.CopyN(datFile, inputFiles[shardId], toRead)
if w != toRead {
return fmt.Errorf("copy %s small block %d: %v", baseFileName, shardId, err)
}
datFileSize -= toRead
}
}
return nil
}
func min(x, y int64) int64 {
if x > y {
return y
}
return x
}

2
weed/storage/erasure_coding/ec_encoder.go
View file

@ -49,7 +49,7 @@ func WriteSortedFileFromIdx(baseFileName string, ext string) (e error) {
return nil
}
// WriteEcFiles generates .ec01 ~ .ec14 files
// WriteEcFiles generates .ec00 ~ .ec13 files
func WriteEcFiles(baseFileName string) error {
return generateEcFiles(baseFileName, 256*1024, ErasureCodingLargeBlockSize, ErasureCodingSmallBlockSize)
}

9
weed/storage/erasure_coding/ec_volume_info.go
View file

@ -81,6 +81,15 @@ func (b ShardBits) ShardIds() (ret []ShardId) {
return
}
func (b ShardBits) ToUint32Slice() (ret []uint32) {
for i := uint32(0); i < TotalShardsCount; i++ {
if b.HasShardId(ShardId(i)) {
ret = append(ret, i)
}
}
return
}
func (b ShardBits) ShardIdCount() (count int) {
for count = 0; b > 0; count++ {
b &= b - 1

9
weed/storage/store.go
View file

@ -10,6 +10,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/stats"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
. "github.com/chrislusf/seaweedfs/weed/storage/types"
)
@ -61,7 +62,7 @@ func NewStore(grpcDialOption grpc.DialOption, port int, ip, publicUrl string, di
return
}
func (s *Store) AddVolume(volumeId needle.VolumeId, collection string, needleMapKind NeedleMapType, replicaPlacement string, ttlString string, preallocate int64, MemoryMapMaxSizeMb uint32) error {
rt, e := NewReplicaPlacementFromString(replicaPlacement)
rt, e := super_block.NewReplicaPlacementFromString(replicaPlacement)
if e != nil {
return e
}
@ -102,7 +103,7 @@ func (s *Store) FindFreeLocation() (ret *DiskLocation) {
}
return ret
}
func (s *Store) addVolume(vid needle.VolumeId, collection string, needleMapKind NeedleMapType, replicaPlacement *ReplicaPlacement, ttl *needle.TTL, preallocate int64, memoryMapMaxSizeMb uint32) error {
func (s *Store) addVolume(vid needle.VolumeId, collection string, needleMapKind NeedleMapType, replicaPlacement *super_block.ReplicaPlacement, ttl *needle.TTL, preallocate int64, memoryMapMaxSizeMb uint32) error {
if s.findVolume(vid) != nil {
return fmt.Errorf("Volume Id %d already exists!", vid)
}
@ -229,7 +230,7 @@ func (s *Store) WriteVolumeNeedle(i needle.VolumeId, n *needle.Needle) (size uin
err = fmt.Errorf("volume %d is read only", i)
return
}
if MaxPossibleVolumeSize >= v.ContentSize()+uint64(needle.GetActualSize(size, v.version)) {
if MaxPossibleVolumeSize >= v.ContentSize()+uint64(needle.GetActualSize(size, v.Version())) {
_, size, isUnchanged, err = v.writeNeedle(n)
} else {
err = fmt.Errorf("volume size limit %d exceeded! current size is %d", s.GetVolumeSizeLimit(), v.ContentSize())
@ -246,7 +247,7 @@ func (s *Store) DeleteVolumeNeedle(i needle.VolumeId, n *needle.Needle) (uint32,
if v.noWriteOrDelete {
return 0, fmt.Errorf("volume %d is read only", i)
}
if MaxPossibleVolumeSize >= v.ContentSize()+uint64(needle.GetActualSize(0, v.version)) {
if MaxPossibleVolumeSize >= v.ContentSize()+uint64(needle.GetActualSize(0, v.Version())) {
return v.deleteNeedle(n)
} else {
return 0, fmt.Errorf("volume size limit %d exceeded! current size is %d", s.GetVolumeSizeLimit(), v.ContentSize())

6
weed/storage/store_ec.go
View file

@ -8,6 +8,8 @@ import (
"sync"
"time"
"github.com/klauspost/reedsolomon"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
@ -15,8 +17,8 @@ import (
"github.com/chrislusf/seaweedfs/weed/stats"
"github.com/chrislusf/seaweedfs/weed/storage/erasure_coding"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"github.com/chrislusf/seaweedfs/weed/storage/types"
"github.com/klauspost/reedsolomon"
)
func (s *Store) CollectErasureCodingHeartbeat() *master_pb.Heartbeat {
@ -169,7 +171,7 @@ func (s *Store) readEcVolumeVersion(ctx context.Context, vid needle.VolumeId, ec
interval := erasure_coding.Interval{
BlockIndex: 0,
InnerBlockOffset: 0,
Size: _SuperBlockSize,
Size: super_block.SuperBlockSize,
IsLargeBlock: true, // it could be large block, but ok in this place
LargeBlockRowsCount: 0,
}

2
weed/storage/replica_placement.go → weed/storage/super_block/replica_placement.go
View file

@ -1,4 +1,4 @@
package storage
package super_block
import (
"errors"

2
weed/storage/replica_placement_test.go → weed/storage/super_block/replica_placement_test.go
View file

@ -1,4 +1,4 @@
package storage
package super_block
import (
"testing"

69
weed/storage/super_block/super_block.go Normal file
View file

@ -0,0 +1,69 @@
package super_block
import (
"github.com/golang/protobuf/proto"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/util"
)
const (
SuperBlockSize = 8
)
/*
* Super block currently has 8 bytes allocated for each volume.
* Byte 0: version, 1 or 2
* Byte 1: Replica Placement strategy, 000, 001, 002, 010, etc
* Byte 2 and byte 3: Time to live. See TTL for definition
* Byte 4 and byte 5: The number of times the volume has been compacted.
* Rest bytes: Reserved
*/
type SuperBlock struct {
Version needle.Version
ReplicaPlacement *ReplicaPlacement
Ttl *needle.TTL
CompactionRevision uint16
Extra *master_pb.SuperBlockExtra
ExtraSize uint16
}
func (s *SuperBlock) BlockSize() int {
switch s.Version {
case needle.Version2, needle.Version3:
return SuperBlockSize + int(s.ExtraSize)
}
return SuperBlockSize
}
func (s *SuperBlock) Bytes() []byte {
header := make([]byte, SuperBlockSize)
header[0] = byte(s.Version)
header[1] = s.ReplicaPlacement.Byte()
s.Ttl.ToBytes(header[2:4])
util.Uint16toBytes(header[4:6], s.CompactionRevision)
if s.Extra != nil {
extraData, err := proto.Marshal(s.Extra)
if err != nil {
glog.Fatalf("cannot marshal super block extra %+v: %v", s.Extra, err)
}
extraSize := len(extraData)
if extraSize > 256*256-2 {
// reserve a couple of bits for future extension
glog.Fatalf("super block extra size is %d bigger than %d", extraSize, 256*256-2)
}
s.ExtraSize = uint16(extraSize)
util.Uint16toBytes(header[6:8], s.ExtraSize)
header = append(header, extraData...)
}
return header
}
func (s *SuperBlock) Initialized() bool {
return s.ReplicaPlacement != nil && s.Ttl != nil
}

44
weed/storage/super_block/super_block_read.go.go Normal file
View file

@ -0,0 +1,44 @@
package super_block
import (
"fmt"
"github.com/golang/protobuf/proto"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/storage/backend"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/util"
)
// ReadSuperBlock reads from data file and load it into volume's super block
func ReadSuperBlock(datBackend backend.BackendStorageFile) (superBlock SuperBlock, err error) {
header := make([]byte, SuperBlockSize)
if _, e := datBackend.ReadAt(header, 0); e != nil {
err = fmt.Errorf("cannot read volume %s super block: %v", datBackend.Name(), e)
return
}
superBlock.Version = needle.Version(header[0])
if superBlock.ReplicaPlacement, err = NewReplicaPlacementFromByte(header[1]); err != nil {
err = fmt.Errorf("cannot read replica type: %s", err.Error())
return
}
superBlock.Ttl = needle.LoadTTLFromBytes(header[2:4])
superBlock.CompactionRevision = util.BytesToUint16(header[4:6])
superBlock.ExtraSize = util.BytesToUint16(header[6:8])
if superBlock.ExtraSize > 0 {
// read more
extraData := make([]byte, int(superBlock.ExtraSize))
superBlock.Extra = &master_pb.SuperBlockExtra{}
err = proto.Unmarshal(extraData, superBlock.Extra)
if err != nil {
err = fmt.Errorf("cannot read volume %s super block extra: %v", datBackend.Name(), err)
return
}
}
return
}

4
weed/storage/volume_super_block_test.go → weed/storage/super_block/super_block_test.go
View file

@ -1,4 +1,4 @@
package storage
package super_block
import (
"testing"
@ -10,7 +10,7 @@ func TestSuperBlockReadWrite(t *testing.T) {
rp, _ := NewReplicaPlacementFromByte(byte(001))
ttl, _ := needle.ReadTTL("15d")
s := &SuperBlock{
version: needle.CurrentVersion,
Version: needle.CurrentVersion,
ReplicaPlacement: rp,
Ttl: ttl,
}

9
weed/storage/volume.go
View file

@ -12,6 +12,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/stats"
"github.com/chrislusf/seaweedfs/weed/storage/backend"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"github.com/chrislusf/seaweedfs/weed/storage/types"
"github.com/chrislusf/seaweedfs/weed/glog"
@ -28,7 +29,7 @@ type Volume struct {
noWriteCanDelete bool // if readonly, either noWriteOrDelete or noWriteCanDelete
MemoryMapMaxSizeMb uint32
SuperBlock
super_block.SuperBlock
dataFileAccessLock sync.RWMutex
lastModifiedTsSeconds uint64 //unix time in seconds
@ -42,10 +43,10 @@ type Volume struct {
volumeTierInfo *volume_server_pb.VolumeTierInfo
}
func NewVolume(dirname string, collection string, id needle.VolumeId, needleMapKind NeedleMapType, replicaPlacement *ReplicaPlacement, ttl *needle.TTL, preallocate int64, memoryMapMaxSizeMb uint32) (v *Volume, e error) {
func NewVolume(dirname string, collection string, id needle.VolumeId, needleMapKind NeedleMapType, replicaPlacement *super_block.ReplicaPlacement, ttl *needle.TTL, preallocate int64, memoryMapMaxSizeMb uint32) (v *Volume, e error) {
// if replicaPlacement is nil, the superblock will be loaded from disk
v = &Volume{dir: dirname, Collection: collection, Id: id, MemoryMapMaxSizeMb: memoryMapMaxSizeMb}
v.SuperBlock = SuperBlock{ReplicaPlacement: replicaPlacement, Ttl: ttl}
v.SuperBlock = super_block.SuperBlock{ReplicaPlacement: replicaPlacement, Ttl: ttl}
v.needleMapKind = needleMapKind
e = v.load(true, true, needleMapKind, preallocate)
return
@ -68,7 +69,7 @@ func (v *Volume) FileName() (fileName string) {
}
func (v *Volume) Version() needle.Version {
return v.SuperBlock.Version()
return v.SuperBlock.Version
}
func (v *Volume) FileStat() (datSize uint64, idxSize uint64, modTime time.Time) {

12
weed/storage/volume_backup.go
View file

@ -6,12 +6,14 @@ import (
"io"
"os"
"google.golang.org/grpc"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
"github.com/chrislusf/seaweedfs/weed/storage/idx"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
. "github.com/chrislusf/seaweedfs/weed/storage/types"
"google.golang.org/grpc"
)
func (v *Volume) GetVolumeSyncStatus() *volume_server_pb.VolumeSyncStatusResponse {
@ -108,7 +110,7 @@ func (v *Volume) IncrementalBackup(volumeServer string, grpcDialOption grpc.Dial
}
// add to needle map
return ScanVolumeFileFrom(v.version, v.DataBackend, int64(startFromOffset), &VolumeFileScanner4GenIdx{v: v})
return ScanVolumeFileFrom(v.Version(), v.DataBackend, int64(startFromOffset), &VolumeFileScanner4GenIdx{v: v})
}
@ -154,11 +156,11 @@ func (v *Volume) locateLastAppendEntry() (Offset, error) {
func (v *Volume) readAppendAtNs(offset Offset) (uint64, error) {
n, _, bodyLength, err := needle.ReadNeedleHeader(v.DataBackend, v.SuperBlock.version, offset.ToAcutalOffset())
n, _, bodyLength, err := needle.ReadNeedleHeader(v.DataBackend, v.SuperBlock.Version, offset.ToAcutalOffset())
if err != nil {
return 0, fmt.Errorf("ReadNeedleHeader: %v", err)
}
_, err = n.ReadNeedleBody(v.DataBackend, v.SuperBlock.version, offset.ToAcutalOffset()+int64(NeedleHeaderSize), bodyLength)
_, err = n.ReadNeedleBody(v.DataBackend, v.SuperBlock.Version, offset.ToAcutalOffset()+int64(NeedleHeaderSize), bodyLength)
if err != nil {
return 0, fmt.Errorf("ReadNeedleBody offset %d, bodyLength %d: %v", offset.ToAcutalOffset(), bodyLength, err)
}
@ -244,7 +246,7 @@ type VolumeFileScanner4GenIdx struct {
v *Volume
}
func (scanner *VolumeFileScanner4GenIdx) VisitSuperBlock(superBlock SuperBlock) error {
func (scanner *VolumeFileScanner4GenIdx) VisitSuperBlock(superBlock super_block.SuperBlock) error {
return nil
}

7
weed/storage/volume_info.go
View file

@ -6,12 +6,13 @@ import (
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
)
type VolumeInfo struct {
Id needle.VolumeId
Size uint64
ReplicaPlacement *ReplicaPlacement
ReplicaPlacement *super_block.ReplicaPlacement
Ttl *needle.TTL
Collection string
Version needle.Version
@ -40,7 +41,7 @@ func NewVolumeInfo(m *master_pb.VolumeInformationMessage) (vi VolumeInfo, err er
RemoteStorageName: m.RemoteStorageName,
RemoteStorageKey: m.RemoteStorageKey,
}
rp, e := NewReplicaPlacementFromByte(byte(m.ReplicaPlacement))
rp, e := super_block.NewReplicaPlacementFromByte(byte(m.ReplicaPlacement))
if e != nil {
return vi, e
}
@ -55,7 +56,7 @@ func NewVolumeInfoFromShort(m *master_pb.VolumeShortInformationMessage) (vi Volu
Collection: m.Collection,
Version: needle.Version(m.Version),
}
rp, e := NewReplicaPlacementFromByte(byte(m.ReplicaPlacement))
rp, e := super_block.NewReplicaPlacementFromByte(byte(m.ReplicaPlacement))
if e != nil {
return vi, e
}

5
weed/storage/volume_loading.go
View file

@ -11,11 +11,12 @@ import (
"github.com/chrislusf/seaweedfs/weed/stats"
"github.com/chrislusf/seaweedfs/weed/storage/backend"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
)
func loadVolumeWithoutIndex(dirname string, collection string, id needle.VolumeId, needleMapKind NeedleMapType) (v *Volume, err error) {
v = &Volume{dir: dirname, Collection: collection, Id: id}
v.SuperBlock = SuperBlock{}
v.SuperBlock = super_block.SuperBlock{}
v.needleMapKind = needleMapKind
err = v.load(false, false, needleMapKind, 0)
return
@ -43,7 +44,7 @@ func (v *Volume) load(alsoLoadIndex bool, createDatIfMissing bool, needleMapKind
v.noWriteOrDelete = true
}
v.lastModifiedTsSeconds = uint64(modifiedTime.Unix())
if fileSize >= _SuperBlockSize {
if fileSize >= super_block.SuperBlockSize {
alreadyHasSuperBlock = true
}
v.DataBackend = backend.NewDiskFile(dataFile)

3
weed/storage/volume_read_write.go
View file

@ -11,6 +11,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/storage/backend"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
. "github.com/chrislusf/seaweedfs/weed/storage/types"
)
@ -165,7 +166,7 @@ func (v *Volume) readNeedle(n *needle.Needle) (int, error) {
}
type VolumeFileScanner interface {
VisitSuperBlock(SuperBlock) error
VisitSuperBlock(super_block.SuperBlock) error
ReadNeedleBody() bool
VisitNeedle(n *needle.Needle, offset int64, needleHeader, needleBody []byte) error
}

103
weed/storage/volume_super_block.go
View file

@ -1,79 +1,14 @@
package storage
import (
"fmt"
"os"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/storage/backend"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/golang/protobuf/proto"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
)
const (
_SuperBlockSize = 8
)
/*
* Super block currently has 8 bytes allocated for each volume.
* Byte 0: version, 1 or 2
* Byte 1: Replica Placement strategy, 000, 001, 002, 010, etc
* Byte 2 and byte 3: Time to live. See TTL for definition
* Byte 4 and byte 5: The number of times the volume has been compacted.
* Rest bytes: Reserved
*/
type SuperBlock struct {
version needle.Version
ReplicaPlacement *ReplicaPlacement
Ttl *needle.TTL
CompactionRevision uint16
Extra *master_pb.SuperBlockExtra
extraSize uint16
}
func (s *SuperBlock) BlockSize() int {
switch s.version {
case needle.Version2, needle.Version3:
return _SuperBlockSize + int(s.extraSize)
}
return _SuperBlockSize
}
func (s *SuperBlock) Version() needle.Version {
return s.version
}
func (s *SuperBlock) Bytes() []byte {
header := make([]byte, _SuperBlockSize)
header[0] = byte(s.version)
header[1] = s.ReplicaPlacement.Byte()
s.Ttl.ToBytes(header[2:4])
util.Uint16toBytes(header[4:6], s.CompactionRevision)
if s.Extra != nil {
extraData, err := proto.Marshal(s.Extra)
if err != nil {
glog.Fatalf("cannot marshal super block extra %+v: %v", s.Extra, err)
}
extraSize := len(extraData)
if extraSize > 256*256-2 {
// reserve a couple of bits for future extension
glog.Fatalf("super block extra size is %d bigger than %d", extraSize, 256*256-2)
}
s.extraSize = uint16(extraSize)
util.Uint16toBytes(header[6:8], s.extraSize)
header = append(header, extraData...)
}
return header
}
func (s *SuperBlock) Initialized() bool {
return s.ReplicaPlacement != nil && s.Ttl != nil
}
func (v *Volume) maybeWriteSuperBlock() error {
datSize, _, e := v.DataBackend.GetStat()
@ -82,7 +17,7 @@ func (v *Volume) maybeWriteSuperBlock() error {
return e
}
if datSize == 0 {
v.SuperBlock.version = needle.CurrentVersion
v.SuperBlock.Version = needle.CurrentVersion
_, e = v.DataBackend.WriteAt(v.SuperBlock.Bytes(), 0)
if e != nil && os.IsPermission(e) {
//read-only, but zero length - recreate it!
@ -100,38 +35,6 @@ func (v *Volume) maybeWriteSuperBlock() error {
}
func (v *Volume) readSuperBlock() (err error) {
v.SuperBlock, err = ReadSuperBlock(v.DataBackend)
v.SuperBlock, err = super_block.ReadSuperBlock(v.DataBackend)
return err
}
// ReadSuperBlock reads from data file and load it into volume's super block
func ReadSuperBlock(datBackend backend.BackendStorageFile) (superBlock SuperBlock, err error) {
header := make([]byte, _SuperBlockSize)
if _, e := datBackend.ReadAt(header, 0); e != nil {
err = fmt.Errorf("cannot read volume %s super block: %v", datBackend.Name(), e)
return
}
superBlock.version = needle.Version(header[0])
if superBlock.ReplicaPlacement, err = NewReplicaPlacementFromByte(header[1]); err != nil {
err = fmt.Errorf("cannot read replica type: %s", err.Error())
return
}
superBlock.Ttl = needle.LoadTTLFromBytes(header[2:4])
superBlock.CompactionRevision = util.BytesToUint16(header[4:6])
superBlock.extraSize = util.BytesToUint16(header[6:8])
if superBlock.extraSize > 0 {
// read more
extraData := make([]byte, int(superBlock.extraSize))
superBlock.Extra = &master_pb.SuperBlockExtra{}
err = proto.Unmarshal(extraData, superBlock.Extra)
if err != nil {
err = fmt.Errorf("cannot read volume %s super block extra: %v", datBackend.Name(), err)
return
}
}
return
}

7
weed/storage/volume_vacuum.go
View file

@ -11,6 +11,7 @@ import (
idx2 "github.com/chrislusf/seaweedfs/weed/storage/idx"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/needle_map"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
. "github.com/chrislusf/seaweedfs/weed/storage/types"
"github.com/chrislusf/seaweedfs/weed/util"
)
@ -133,7 +134,7 @@ func (v *Volume) cleanupCompact() error {
}
func fetchCompactRevisionFromDatFile(datBackend backend.BackendStorageFile) (compactRevision uint16, err error) {
superBlock, err := ReadSuperBlock(datBackend)
superBlock, err := super_block.ReadSuperBlock(datBackend)
if err != nil {
return 0, err
}
@ -277,8 +278,8 @@ type VolumeFileScanner4Vacuum struct {
writeThrottler *util.WriteThrottler
}
func (scanner *VolumeFileScanner4Vacuum) VisitSuperBlock(superBlock SuperBlock) error {
scanner.version = superBlock.Version()
func (scanner *VolumeFileScanner4Vacuum) VisitSuperBlock(superBlock super_block.SuperBlock) error {
scanner.version = superBlock.Version
superBlock.CompactionRevision++
_, err := scanner.dstBackend.WriteAt(superBlock.Bytes(), 0)
scanner.newOffset = int64(superBlock.BlockSize())

5
weed/storage/volume_vacuum_test.go
View file

@ -8,6 +8,7 @@ import (
"time"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"github.com/chrislusf/seaweedfs/weed/storage/types"
)
@ -46,7 +47,7 @@ func TestMakeDiff(t *testing.T) {
v := new(Volume)
//lastCompactIndexOffset value is the index file size before step 4
v.lastCompactIndexOffset = 96
v.SuperBlock.version = 0x2
v.SuperBlock.Version = 0x2
/*
err := v.makeupDiff(
"/yourpath/1.cpd",
@ -68,7 +69,7 @@ func TestCompaction(t *testing.T) {
}
defer os.RemoveAll(dir) // clean up
v, err := NewVolume(dir, "", 1, NeedleMapInMemory, &ReplicaPlacement{}, &needle.TTL{}, 0, 0)
v, err := NewVolume(dir, "", 1, NeedleMapInMemory, &super_block.ReplicaPlacement{}, &needle.TTL{}, 0, 0)
if err != nil {
t.Fatalf("volume creation: %v", err)
}

4
weed/topology/collection.go
View file

@ -3,8 +3,8 @@ package topology
import (
"fmt"
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"github.com/chrislusf/seaweedfs/weed/util"
)
@ -24,7 +24,7 @@ func (c *Collection) String() string {
return fmt.Sprintf("Name:%s, volumeSizeLimit:%d, storageType2VolumeLayout:%v", c.Name, c.volumeSizeLimit, c.storageType2VolumeLayout)
}
func (c *Collection) GetOrCreateVolumeLayout(rp *storage.ReplicaPlacement, ttl *needle.TTL) *VolumeLayout {
func (c *Collection) GetOrCreateVolumeLayout(rp *super_block.ReplicaPlacement, ttl *needle.TTL) *VolumeLayout {
keyString := rp.String()
if ttl != nil {
keyString += ttl.String()

4
weed/topology/topology.go
View file

@ -7,11 +7,13 @@ import (
"sync"
"github.com/chrislusf/raft"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/sequence"
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"github.com/chrislusf/seaweedfs/weed/util"
)
@ -129,7 +131,7 @@ func (t *Topology) PickForWrite(count uint64, option *VolumeGrowOption) (string,
return needle.NewFileId(*vid, fileId, rand.Uint32()).String(), count, datanodes.Head(), nil
}
func (t *Topology) GetVolumeLayout(collectionName string, rp *storage.ReplicaPlacement, ttl *needle.TTL) *VolumeLayout {
func (t *Topology) GetVolumeLayout(collectionName string, rp *super_block.ReplicaPlacement, ttl *needle.TTL) *VolumeLayout {
return t.collectionMap.Get(collectionName, func() interface{} {
return NewCollection(collectionName, t.volumeSizeLimit)
}).(*Collection).GetOrCreateVolumeLayout(rp, ttl)

5
weed/topology/topology_test.go
View file

@ -5,6 +5,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/sequence"
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"testing"
)
@ -94,7 +95,7 @@ func TestHandlingVolumeServerHeartbeat(t *testing.T) {
[]*master_pb.VolumeShortInformationMessage{newVolumeShortMessage},
nil,
dn)
rp, _ := storage.NewReplicaPlacementFromString("000")
rp, _ := super_block.NewReplicaPlacementFromString("000")
layout := topo.GetVolumeLayout("", rp, needle.EMPTY_TTL)
assert(t, "writables after repeated add", len(layout.writables), volumeCount)
@ -154,7 +155,7 @@ func TestAddRemoveVolume(t *testing.T) {
DeletedByteCount: 45,
ReadOnly: false,
Version: needle.CurrentVersion,
ReplicaPlacement: &storage.ReplicaPlacement{},
ReplicaPlacement: &super_block.ReplicaPlacement{},
Ttl: needle.EMPTY_TTL,
}

4
weed/topology/volume_growth.go
View file

@ -6,6 +6,8 @@ import (
"sync"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"google.golang.org/grpc"
"github.com/chrislusf/seaweedfs/weed/glog"
@ -22,7 +24,7 @@ This package is created to resolve these replica placement issues:
type VolumeGrowOption struct {
Collection string
ReplicaPlacement *storage.ReplicaPlacement
ReplicaPlacement *super_block.ReplicaPlacement
Ttl *needle.TTL
Prealloacte int64
DataCenter string

3
weed/topology/volume_growth_test.go
View file

@ -8,6 +8,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/sequence"
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
)
var topologyLayout = `
@ -113,7 +114,7 @@ func setup(topologyLayout string) *Topology {
func TestFindEmptySlotsForOneVolume(t *testing.T) {
topo := setup(topologyLayout)
vg := NewDefaultVolumeGrowth()
rp, _ := storage.NewReplicaPlacementFromString("002")
rp, _ := super_block.NewReplicaPlacementFromString("002")
volumeGrowOption := &VolumeGrowOption{
Collection: "",
ReplicaPlacement: rp,

5
weed/topology/volume_layout.go
View file

@ -10,11 +10,12 @@ import (
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
)
// mapping from volume to its locations, inverted from server to volume
type VolumeLayout struct {
rp *storage.ReplicaPlacement
rp *super_block.ReplicaPlacement
ttl *needle.TTL
vid2location map[needle.VolumeId]*VolumeLocationList
writables []needle.VolumeId // transient array of writable volume id
@ -30,7 +31,7 @@ type VolumeLayoutStats struct {
FileCount uint64
}
func NewVolumeLayout(rp *storage.ReplicaPlacement, ttl *needle.TTL, volumeSizeLimit uint64) *VolumeLayout {
func NewVolumeLayout(rp *super_block.ReplicaPlacement, ttl *needle.TTL, volumeSizeLimit uint64) *VolumeLayout {
return &VolumeLayout{
rp: rp,
ttl: ttl,