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https://github.com/seaweedfs/seaweedfs.git
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just refactoring
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parent
b11449f955
commit
97f706f35b
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@ -40,11 +40,11 @@ func NewDiskLocation(dir string, maxVolumeCount int, minFreeSpacePercent float32
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idxDir = util.ResolvePath(idxDir)
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}
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location := &DiskLocation{
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Directory: dir,
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IdxDirectory: idxDir,
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MaxVolumeCount: maxVolumeCount,
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Directory: dir,
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IdxDirectory: idxDir,
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MaxVolumeCount: maxVolumeCount,
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OriginalMaxVolumeCount: maxVolumeCount,
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MinFreeSpacePercent: minFreeSpacePercent,
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MinFreeSpacePercent: minFreeSpacePercent,
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}
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location.volumes = make(map[needle.VolumeId]*Volume)
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location.ecVolumes = make(map[needle.VolumeId]*erasure_coding.EcVolume)
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@ -74,53 +74,56 @@ func parseCollectionVolumeId(base string) (collection string, vid needle.VolumeI
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func (l *DiskLocation) loadExistingVolume(fileInfo os.FileInfo, needleMapKind NeedleMapType) bool {
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name := fileInfo.Name()
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if !fileInfo.IsDir() && strings.HasSuffix(name, ".idx") {
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name := name[:len(name)-len(".idx")]
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noteFile := l.Directory + "/" + name + ".note"
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if util.FileExists(noteFile) {
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note, _ := ioutil.ReadFile(noteFile)
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glog.Warningf("volume %s was not completed: %s", name, string(note))
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removeVolumeFiles(l.Directory + "/" + name)
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return false
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}
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vid, collection, err := l.volumeIdFromPath(fileInfo)
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if err != nil {
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glog.Warningf("get volume id failed, %s, err : %s", name, err)
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return false
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}
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if fileInfo.IsDir() {
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return false
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}
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if !strings.HasSuffix(name, ".idx") {
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return false
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}
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name = name[:len(name)-len(".idx")]
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noteFile := l.Directory + "/" + name + ".note"
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if util.FileExists(noteFile) {
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note, _ := ioutil.ReadFile(noteFile)
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glog.Warningf("volume %s was not completed: %s", name, string(note))
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removeVolumeFiles(l.Directory + "/" + name)
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return false
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}
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vid, collection, err := l.volumeIdFromPath(fileInfo)
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if err != nil {
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glog.Warningf("get volume id failed, %s, err : %s", name, err)
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return false
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}
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// void loading one volume more than once
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l.volumesLock.RLock()
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_, found := l.volumes[vid]
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l.volumesLock.RUnlock()
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if found {
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glog.V(1).Infof("loaded volume, %v", vid)
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return true
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}
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v, e := NewVolume(l.Directory, collection, vid, needleMapKind, nil, nil, 0, 0)
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if e != nil {
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glog.V(0).Infof("new volume %s error %s", name, e)
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return false
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}
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l.SetVolume(vid, v)
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size, _, _ := v.FileStat()
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glog.V(0).Infof("data file %s, replicaPlacement=%s v=%d size=%d ttl=%s",
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l.Directory+"/"+name+".dat", v.ReplicaPlacement, v.Version(), size, v.Ttl.String())
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// void loading one volume more than once
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l.volumesLock.RLock()
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_, found := l.volumes[vid]
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l.volumesLock.RUnlock()
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if found {
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glog.V(1).Infof("loaded volume, %v", vid)
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return true
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}
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return false
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v, e := NewVolume(l.Directory, collection, vid, needleMapKind, nil, nil, 0, 0)
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if e != nil {
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glog.V(0).Infof("new volume %s error %s", name, e)
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return false
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}
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l.SetVolume(vid, v)
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size, _, _ := v.FileStat()
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glog.V(0).Infof("data file %s, replicaPlacement=%s v=%d size=%d ttl=%s",
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l.Directory+"/"+name+".dat", v.ReplicaPlacement, v.Version(), size, v.Ttl.String())
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return true
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}
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func (l *DiskLocation) concurrentLoadingVolumes(needleMapKind NeedleMapType, concurrency int) {
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task_queue := make(chan os.FileInfo, 10*concurrency)
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go func() {
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if dirs, err := ioutil.ReadDir(l.Directory); err == nil {
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for _, dir := range dirs {
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task_queue <- dir
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if fileInfos, err := ioutil.ReadDir(l.Directory); err == nil {
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for _, fi := range fileInfos {
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task_queue <- fi
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}
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}
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close(task_queue)
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@ -131,8 +134,8 @@ func (l *DiskLocation) concurrentLoadingVolumes(needleMapKind NeedleMapType, con
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wg.Add(1)
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go func() {
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defer wg.Done()
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for dir := range task_queue {
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_ = l.loadExistingVolume(dir, needleMapKind)
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for fi := range task_queue {
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_ = l.loadExistingVolume(fi, needleMapKind)
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}
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}()
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}
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