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Do not vacuum memory mapped files

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This commit is contained in:
j.laycock 2019-09-03 15:05:43 +01:00
parent 0123c7a898
commit 9a459d984b
1 changed files with 79 additions and 63 deletions
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142
weed/storage/volume_vacuum.go
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@ -8,6 +8,7 @@ import (
"github.com/joeslay/seaweedfs/weed/glog"
"github.com/joeslay/seaweedfs/weed/stats"
idx2 "github.com/joeslay/seaweedfs/weed/storage/idx"
"github.com/joeslay/seaweedfs/weed/storage/memory_map"
"github.com/joeslay/seaweedfs/weed/storage/needle"
"github.com/joeslay/seaweedfs/weed/storage/needle_map"
. "github.com/joeslay/seaweedfs/weed/storage/types"
@ -22,86 +23,101 @@ func (v *Volume) garbageLevel() float64 {
}
func (v *Volume) Compact(preallocate int64, compactionBytePerSecond int64) error {
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)
_, exists := memory_map.FileMemoryMap[v.dataFile.Name()]
if !exists { //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 {
return nil
}
}
func (v *Volume) Compact2() error {
glog.V(3).Infof("Compact2 volume %d ...", v.Id)
_, exists := memory_map.FileMemoryMap[v.dataFile.Name()]
if !exists { //it makes no sense to compact in memory
v.isCompacting = true
defer func() {
v.isCompacting = false
}()
glog.V(3).Infof("Compact2 volume %d ...", v.Id)
filePath := v.FileName()
glog.V(3).Infof("creating copies for volume %d ...", v.Id)
return v.copyDataBasedOnIndexFile(filePath+".cpd", filePath+".cpx")
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 {
return nil
}
}
func (v *Volume) CommitCompact() error {
glog.V(0).Infof("Committing volume %d vacuuming...", v.Id)
_, exists := memory_map.FileMemoryMap[v.dataFile.Name()]
if !exists { //it makes no sense to compact in memory
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.dataFile.Close(); err != nil {
glog.V(0).Infof("fail to close volume %d", v.Id)
}
v.dataFile = 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
glog.V(3).Infof("Got volume %d committing lock...", v.Id)
v.nm.Close()
if err := v.dataFile.Close(); err != nil {
glog.V(0).Infof("fail to close volume %d", v.Id)
}
e = os.Remove(v.FileName() + ".cpx")
if e != nil {
return e
}
} else {
v.dataFile = nil
stats.VolumeServerVolumeCounter.WithLabelValues(v.Collection, "volume").Dec()
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 = 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)
}
}
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
}
}
//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
}