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https://github.com/chrislusf/seaweedfs
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feat(filer.sync): add fromTsMs. Extract signature from doSubscribeFilerMetaChanges
This commit is contained in:
zhihao.qu
parent
4a5135961f
commit
cd5cca36a4
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@ -15,6 +15,7 @@ import (
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"github.com/chrislusf/seaweedfs/weed/util"
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"github.com/chrislusf/seaweedfs/weed/util/grace"
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"google.golang.org/grpc"
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"os"
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"strings"
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"time"
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)
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@ -35,6 +36,8 @@ type SyncOptions struct {
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bDiskType *string
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aDebug *bool
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bDebug *bool
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aFromTsMs *int64
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bFromTsMs *int64
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aProxyByFiler *bool
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bProxyByFiler *bool
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clientId int32
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@ -65,6 +68,8 @@ func init() {
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syncOptions.bProxyByFiler = cmdFilerSynchronize.Flag.Bool("b.filerProxy", false, "read and write file chunks by filer B instead of volume servers")
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syncOptions.aDebug = cmdFilerSynchronize.Flag.Bool("a.debug", false, "debug mode to print out filer A received files")
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syncOptions.bDebug = cmdFilerSynchronize.Flag.Bool("b.debug", false, "debug mode to print out filer B received files")
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syncOptions.aFromTsMs = cmdFilerSynchronize.Flag.Int64("a.fromTsMs", 0, "synchronization from timestamp on filer A. The unit is millisecond")
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syncOptions.bFromTsMs = cmdFilerSynchronize.Flag.Int64("b.fromTsMs", 0, "synchronization from timestamp on filer B. The unit is millisecond")
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syncCpuProfile = cmdFilerSynchronize.Flag.String("cpuprofile", "", "cpu profile output file")
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syncMemProfile = cmdFilerSynchronize.Flag.String("memprofile", "", "memory profile output file")
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syncOptions.clientId = util.RandomInt32()
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@ -97,10 +102,32 @@ func runFilerSynchronize(cmd *Command, args []string) bool {
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filerA := pb.ServerAddress(*syncOptions.filerA)
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filerB := pb.ServerAddress(*syncOptions.filerB)
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// read a filer signature
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aFilerSignature, aFilerErr := replication.ReadFilerSignature(grpcDialOption, filerA)
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if aFilerErr != nil {
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glog.Errorf("get filer 'a' signature %d error from %s to %s: %v", aFilerSignature, *syncOptions.filerA, *syncOptions.filerB, aFilerErr)
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return true
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}
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// read b filer signature
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bFilerSignature, bFilerErr := replication.ReadFilerSignature(grpcDialOption, filerB)
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if bFilerErr != nil {
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glog.Errorf("get filer 'b' signature %d error from %s to %s: %v", bFilerSignature, *syncOptions.filerA, *syncOptions.filerB, bFilerErr)
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return true
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}
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go func() {
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// a->b
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// set synchronization start timestamp to offset
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initOffsetError := initOffsetFromTsMs(grpcDialOption, filerB, aFilerSignature, *syncOptions.bFromTsMs)
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if initOffsetError != nil {
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glog.Errorf("init offset from timestamp %d error from %s to %s: %v", *syncOptions.bFromTsMs, *syncOptions.filerA, *syncOptions.filerB, initOffsetError)
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os.Exit(2)
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}
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for {
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err := doSubscribeFilerMetaChanges(syncOptions.clientId, grpcDialOption, filerA, *syncOptions.aPath, *syncOptions.aProxyByFiler, filerB,
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*syncOptions.bPath, *syncOptions.bReplication, *syncOptions.bCollection, *syncOptions.bTtlSec, *syncOptions.bProxyByFiler, *syncOptions.bDiskType, *syncOptions.bDebug)
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*syncOptions.bPath, *syncOptions.bReplication, *syncOptions.bCollection, *syncOptions.bTtlSec, *syncOptions.bProxyByFiler, *syncOptions.bDiskType,
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*syncOptions.bDebug, aFilerSignature, bFilerSignature)
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if err != nil {
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glog.Errorf("sync from %s to %s: %v", *syncOptions.filerA, *syncOptions.filerB, err)
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time.Sleep(1747 * time.Millisecond)
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@ -109,10 +136,18 @@ func runFilerSynchronize(cmd *Command, args []string) bool {
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}()
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if !*syncOptions.isActivePassive {
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// b->a
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// set synchronization start timestamp to offset
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initOffsetError := initOffsetFromTsMs(grpcDialOption, filerA, bFilerSignature, *syncOptions.aFromTsMs)
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if initOffsetError != nil {
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glog.Errorf("init offset from timestamp %d error from %s to %s: %v", *syncOptions.aFromTsMs, *syncOptions.filerB, *syncOptions.filerA, initOffsetError)
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os.Exit(2)
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}
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go func() {
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for {
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err := doSubscribeFilerMetaChanges(syncOptions.clientId, grpcDialOption, filerB, *syncOptions.bPath, *syncOptions.bProxyByFiler, filerA,
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*syncOptions.aPath, *syncOptions.aReplication, *syncOptions.aCollection, *syncOptions.aTtlSec, *syncOptions.aProxyByFiler, *syncOptions.aDiskType, *syncOptions.aDebug)
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*syncOptions.aPath, *syncOptions.aReplication, *syncOptions.aCollection, *syncOptions.aTtlSec, *syncOptions.aProxyByFiler, *syncOptions.aDiskType,
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*syncOptions.aDebug, bFilerSignature, aFilerSignature)
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if err != nil {
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glog.Errorf("sync from %s to %s: %v", *syncOptions.filerB, *syncOptions.filerA, err)
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time.Sleep(2147 * time.Millisecond)
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@ -126,19 +161,24 @@ func runFilerSynchronize(cmd *Command, args []string) bool {
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return true
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}
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func doSubscribeFilerMetaChanges(clientId int32, grpcDialOption grpc.DialOption, sourceFiler pb.ServerAddress, sourcePath string, sourceReadChunkFromFiler bool, targetFiler pb.ServerAddress, targetPath string,
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replicationStr, collection string, ttlSec int, sinkWriteChunkByFiler bool, diskType string, debug bool) error {
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// initOffsetFromTsMs Initialize offset
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func initOffsetFromTsMs(grpcDialOption grpc.DialOption, targetFiler pb.ServerAddress, sourceFilerSignature int32, fromTsMs int64) error {
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if fromTsMs <= 0 {
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return nil
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}
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// convert to nanosecond
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fromTsNs := fromTsMs * 1000_000
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// If not successful, exit the program.
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setOffsetErr := setOffset(grpcDialOption, targetFiler, SyncKeyPrefix, sourceFilerSignature, fromTsNs)
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if setOffsetErr != nil {
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return setOffsetErr
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}
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glog.Infof("setOffset from timestamp ms success! start offset: %d from %s to %s", fromTsNs, *syncOptions.filerA, *syncOptions.filerB)
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return nil
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}
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// read source filer signature
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sourceFilerSignature, sourceErr := replication.ReadFilerSignature(grpcDialOption, sourceFiler)
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if sourceErr != nil {
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return sourceErr
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}
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// read target filer signature
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targetFilerSignature, targetErr := replication.ReadFilerSignature(grpcDialOption, targetFiler)
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if targetErr != nil {
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return targetErr
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}
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func doSubscribeFilerMetaChanges(clientId int32, grpcDialOption grpc.DialOption, sourceFiler pb.ServerAddress, sourcePath string, sourceReadChunkFromFiler bool, targetFiler pb.ServerAddress, targetPath string,
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replicationStr, collection string, ttlSec int, sinkWriteChunkByFiler bool, diskType string, debug bool, sourceFilerSignature int32, targetFilerSignature int32) error {
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// if first time, start from now
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// if has previously synced, resume from that point of time
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