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refactoring

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This commit is contained in:
Chris Lu 2019-12-24 08:13:01 -08:00
parent 9114f7f432
commit 72a561ab7c
1 changed files with 72 additions and 74 deletions
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146
weed/storage/volume_vacuum.go
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@ -25,98 +25,96 @@ func (v *Volume) garbageLevel() float64 {
func (v *Volume) Compact(preallocate int64, compactionBytePerSecond int64) error {
if v.MemoryMapMaxSizeMb == 0 { //it makes no sense to compact in memory
glog.V(3).Infof("Compacting volume %d ...", v.Id)
//no need to lock for copy on write
//v.accessLock.Lock()
//defer v.accessLock.Unlock()
//glog.V(3).Infof("Got Compaction lock...")
v.isCompacting = true
defer func() {
v.isCompacting = false
}()
filePath := v.FileName()
v.lastCompactIndexOffset = v.IndexFileSize()
v.lastCompactRevision = v.SuperBlock.CompactionRevision
glog.V(3).Infof("creating copies for volume %d ,last offset %d...", v.Id, v.lastCompactIndexOffset)
return v.copyDataAndGenerateIndexFile(filePath+".cpd", filePath+".cpx", preallocate, compactionBytePerSecond)
} else {
if v.MemoryMapMaxSizeMb != 0 { //it makes no sense to compact in memory
return nil
}
glog.V(3).Infof("Compacting volume %d ...", v.Id)
//no need to lock for copy on write
//v.accessLock.Lock()
//defer v.accessLock.Unlock()
//glog.V(3).Infof("Got Compaction lock...")
v.isCompacting = true
defer func() {
v.isCompacting = false
}()
filePath := v.FileName()
v.lastCompactIndexOffset = v.IndexFileSize()
v.lastCompactRevision = v.SuperBlock.CompactionRevision
glog.V(3).Infof("creating copies for volume %d ,last offset %d...", v.Id, v.lastCompactIndexOffset)
return v.copyDataAndGenerateIndexFile(filePath+".cpd", filePath+".cpx", preallocate, compactionBytePerSecond)
}
func (v *Volume) Compact2() error {
if v.MemoryMapMaxSizeMb == 0 { //it makes no sense to compact in memory
glog.V(3).Infof("Compact2 volume %d ...", v.Id)
v.isCompacting = true
defer func() {
v.isCompacting = false
}()
filePath := v.FileName()
glog.V(3).Infof("creating copies for volume %d ...", v.Id)
return v.copyDataBasedOnIndexFile(filePath+".cpd", filePath+".cpx")
} else {
if v.MemoryMapMaxSizeMb != 0 { //it makes no sense to compact in memory
return nil
}
glog.V(3).Infof("Compact2 volume %d ...", v.Id)
v.isCompacting = true
defer func() {
v.isCompacting = false
}()
filePath := v.FileName()
glog.V(3).Infof("creating copies for volume %d ...", v.Id)
return v.copyDataBasedOnIndexFile(filePath+".cpd", filePath+".cpx")
}
func (v *Volume) CommitCompact() error {
if v.MemoryMapMaxSizeMb == 0 { //it makes no sense to compact in memory
glog.V(0).Infof("Committing volume %d vacuuming...", v.Id)
if v.MemoryMapMaxSizeMb != 0 { //it makes no sense to compact in memory
return nil
}
glog.V(0).Infof("Committing volume %d vacuuming...", v.Id)
v.isCompacting = true
defer func() {
v.isCompacting = false
}()
v.isCompacting = true
defer func() {
v.isCompacting = false
}()
v.dataFileAccessLock.Lock()
defer v.dataFileAccessLock.Unlock()
v.dataFileAccessLock.Lock()
defer v.dataFileAccessLock.Unlock()
glog.V(3).Infof("Got volume %d committing lock...", v.Id)
v.nm.Close()
if err := v.DataBackend.Close(); err != nil {
glog.V(0).Infof("fail to close volume %d", v.Id)
}
v.DataBackend = nil
stats.VolumeServerVolumeCounter.WithLabelValues(v.Collection, "volume").Dec()
glog.V(3).Infof("Got volume %d committing lock...", v.Id)
v.nm.Close()
if err := v.DataBackend.Close(); err != nil {
glog.V(0).Infof("fail to close volume %d", v.Id)
}
v.DataBackend = nil
stats.VolumeServerVolumeCounter.WithLabelValues(v.Collection, "volume").Dec()
var e error
if e = v.makeupDiff(v.FileName()+".cpd", v.FileName()+".cpx", v.FileName()+".dat", v.FileName()+".idx"); e != nil {
glog.V(0).Infof("makeupDiff in CommitCompact volume %d failed %v", v.Id, e)
e = os.Remove(v.FileName() + ".cpd")
if e != nil {
return e
}
e = os.Remove(v.FileName() + ".cpx")
if e != nil {
return e
}
} else {
var e error
if e = os.Rename(v.FileName()+".cpd", v.FileName()+".dat"); e != nil {
return fmt.Errorf("rename %s: %v", v.FileName()+".cpd", e)
}
if e = os.Rename(v.FileName()+".cpx", v.FileName()+".idx"); e != nil {
return fmt.Errorf("rename %s: %v", v.FileName()+".cpx", e)
}
}
//glog.V(3).Infof("Pretending to be vacuuming...")
//time.Sleep(20 * time.Second)
os.RemoveAll(v.FileName() + ".ldb")
os.RemoveAll(v.FileName() + ".bdb")
glog.V(3).Infof("Loading volume %d commit file...", v.Id)
if e = v.load(true, false, v.needleMapKind, 0); e != nil {
var e error
if e = v.makeupDiff(v.FileName()+".cpd", v.FileName()+".cpx", v.FileName()+".dat", v.FileName()+".idx"); e != nil {
glog.V(0).Infof("makeupDiff in CommitCompact volume %d failed %v", v.Id, e)
e = os.Remove(v.FileName() + ".cpd")
if e != nil {
return e
}
e = os.Remove(v.FileName() + ".cpx")
if e != nil {
return e
}
} else {
var e error
if e = os.Rename(v.FileName()+".cpd", v.FileName()+".dat"); e != nil {
return fmt.Errorf("rename %s: %v", v.FileName()+".cpd", e)
}
if e = os.Rename(v.FileName()+".cpx", v.FileName()+".idx"); e != nil {
return fmt.Errorf("rename %s: %v", v.FileName()+".cpx", e)
}
}
//glog.V(3).Infof("Pretending to be vacuuming...")
//time.Sleep(20 * time.Second)
os.RemoveAll(v.FileName() + ".ldb")
os.RemoveAll(v.FileName() + ".bdb")
glog.V(3).Infof("Loading volume %d commit file...", v.Id)
if e = v.load(true, false, v.needleMapKind, 0); e != nil {
return e
}
return nil
}
func (v *Volume) cleanupCompact() error {