mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-09-12 12:00:45 +02:00
* types packages is imported more than onece * lazy-loading * fix bugs * fix bugs * fix unit tests * fix test error * rename function * unload ldb after initial startup * Don't load ldb when starting volume server if ldbtimeout is set. * remove uncessary unloadldb * Update weed/command/server.go Co-authored-by: Chris Lu <chrislusf@users.noreply.github.com> * Update weed/command/volume.go Co-authored-by: Chris Lu <chrislusf@users.noreply.github.com> Co-authored-by: guol-fnst <goul-fnst@fujitsu.com> Co-authored-by: Chris Lu <chrislusf@users.noreply.github.com>
132 lines
3.6 KiB
Go
132 lines
3.6 KiB
Go
package storage
|
|
|
|
import (
|
|
"os"
|
|
|
|
"github.com/seaweedfs/seaweedfs/weed/glog"
|
|
"github.com/seaweedfs/seaweedfs/weed/storage/idx"
|
|
"github.com/seaweedfs/seaweedfs/weed/storage/needle_map"
|
|
. "github.com/seaweedfs/seaweedfs/weed/storage/types"
|
|
"github.com/syndtr/goleveldb/leveldb/opt"
|
|
)
|
|
|
|
type NeedleMap struct {
|
|
baseNeedleMapper
|
|
m needle_map.NeedleValueMap
|
|
}
|
|
|
|
func NewCompactNeedleMap(file *os.File) *NeedleMap {
|
|
nm := &NeedleMap{
|
|
m: needle_map.NewCompactMap(),
|
|
}
|
|
nm.indexFile = file
|
|
stat, err := file.Stat()
|
|
if err != nil {
|
|
glog.Fatalf("stat file %s: %v", file.Name(), err)
|
|
}
|
|
nm.indexFileOffset = stat.Size()
|
|
return nm
|
|
}
|
|
|
|
func LoadCompactNeedleMap(file *os.File) (*NeedleMap, error) {
|
|
nm := NewCompactNeedleMap(file)
|
|
return doLoading(file, nm)
|
|
}
|
|
|
|
func doLoading(file *os.File, nm *NeedleMap) (*NeedleMap, error) {
|
|
e := idx.WalkIndexFile(file, 0, func(key NeedleId, offset Offset, size Size) error {
|
|
nm.MaybeSetMaxFileKey(key)
|
|
nm.FileCounter++
|
|
if !offset.IsZero() && size.IsValid() {
|
|
nm.FileByteCounter = nm.FileByteCounter + uint64(size)
|
|
oldOffset, oldSize := nm.m.Set(NeedleId(key), offset, size)
|
|
if !oldOffset.IsZero() && oldSize.IsValid() {
|
|
nm.DeletionCounter++
|
|
nm.DeletionByteCounter = nm.DeletionByteCounter + uint64(oldSize)
|
|
}
|
|
} else {
|
|
oldSize := nm.m.Delete(NeedleId(key))
|
|
nm.DeletionCounter++
|
|
nm.DeletionByteCounter = nm.DeletionByteCounter + uint64(oldSize)
|
|
}
|
|
return nil
|
|
})
|
|
glog.V(1).Infof("max file key: %d for file: %s", nm.MaxFileKey(), file.Name())
|
|
return nm, e
|
|
}
|
|
|
|
func (nm *NeedleMap) Put(key NeedleId, offset Offset, size Size) error {
|
|
_, oldSize := nm.m.Set(NeedleId(key), offset, size)
|
|
nm.logPut(key, oldSize, size)
|
|
return nm.appendToIndexFile(key, offset, size)
|
|
}
|
|
func (nm *NeedleMap) Get(key NeedleId) (element *needle_map.NeedleValue, ok bool) {
|
|
element, ok = nm.m.Get(NeedleId(key))
|
|
return
|
|
}
|
|
func (nm *NeedleMap) Delete(key NeedleId, offset Offset) error {
|
|
deletedBytes := nm.m.Delete(NeedleId(key))
|
|
nm.logDelete(deletedBytes)
|
|
return nm.appendToIndexFile(key, offset, TombstoneFileSize)
|
|
}
|
|
func (nm *NeedleMap) Close() {
|
|
if nm.indexFile == nil {
|
|
return
|
|
}
|
|
indexFileName := nm.indexFile.Name()
|
|
if err := nm.indexFile.Sync(); err != nil {
|
|
glog.Warningf("sync file %s failed, %v", indexFileName, err)
|
|
}
|
|
_ = nm.indexFile.Close()
|
|
}
|
|
func (nm *NeedleMap) Destroy() error {
|
|
nm.Close()
|
|
return os.Remove(nm.indexFile.Name())
|
|
}
|
|
|
|
func (nm *NeedleMap) UpdateNeedleMap(v *Volume, indexFile *os.File, opts *opt.Options, ldbTimeout int64) error {
|
|
if v.nm != nil {
|
|
v.nm.Close()
|
|
v.nm = nil
|
|
}
|
|
defer func() {
|
|
if v.tmpNm != nil {
|
|
v.tmpNm.Close()
|
|
v.tmpNm = nil
|
|
}
|
|
}()
|
|
nm.indexFile = indexFile
|
|
stat, err := indexFile.Stat()
|
|
if err != nil {
|
|
glog.Fatalf("stat file %s: %v", indexFile.Name(), err)
|
|
return err
|
|
}
|
|
nm.indexFileOffset = stat.Size()
|
|
v.nm = nm
|
|
v.tmpNm = nil
|
|
return nil
|
|
}
|
|
|
|
func (nm *NeedleMap) DoOffsetLoading(v *Volume, indexFile *os.File, startFrom uint64) error {
|
|
glog.V(0).Infof("loading idx from offset %d for file: %s", startFrom, indexFile.Name())
|
|
e := idx.WalkIndexFile(indexFile, startFrom, func(key NeedleId, offset Offset, size Size) error {
|
|
nm.MaybeSetMaxFileKey(key)
|
|
nm.FileCounter++
|
|
if !offset.IsZero() && size.IsValid() {
|
|
nm.FileByteCounter = nm.FileByteCounter + uint64(size)
|
|
oldOffset, oldSize := nm.m.Set(NeedleId(key), offset, size)
|
|
if !oldOffset.IsZero() && oldSize.IsValid() {
|
|
nm.DeletionCounter++
|
|
nm.DeletionByteCounter = nm.DeletionByteCounter + uint64(oldSize)
|
|
}
|
|
} else {
|
|
oldSize := nm.m.Delete(NeedleId(key))
|
|
nm.DeletionCounter++
|
|
nm.DeletionByteCounter = nm.DeletionByteCounter + uint64(oldSize)
|
|
}
|
|
return nil
|
|
})
|
|
|
|
return e
|
|
}
|