mirror of
https://github.com/seaweedfs/seaweedfs.git
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110 lines
2.9 KiB
Go
110 lines
2.9 KiB
Go
package filer2
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import (
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"strings"
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"time"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/operation"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/chrislusf/seaweedfs/weed/wdclient"
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)
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func LookupByMasterClientFn(masterClient *wdclient.MasterClient) func(vids []string) (map[string]operation.LookupResult, error) {
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return func(vids []string) (map[string]operation.LookupResult, error) {
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m := make(map[string]operation.LookupResult)
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for _, vid := range vids {
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locs, _ := masterClient.GetVidLocations(vid)
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var locations []operation.Location
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for _, loc := range locs {
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locations = append(locations, operation.Location{
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Url: loc.Url,
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PublicUrl: loc.PublicUrl,
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})
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}
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m[vid] = operation.LookupResult{
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VolumeId: vid,
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Locations: locations,
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}
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}
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return m, nil
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}
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}
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func (f *Filer) loopProcessingDeletion() {
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lookupFunc := LookupByMasterClientFn(f.MasterClient)
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DeletionBatchSize := 100000 // roughly 20 bytes cost per file id.
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var deletionCount int
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for {
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deletionCount = 0
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f.fileIdDeletionQueue.Consume(func(fileIds []string) {
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for len(fileIds) > 0 {
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var toDeleteFileIds []string
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if len(fileIds) > DeletionBatchSize {
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toDeleteFileIds = fileIds[:DeletionBatchSize]
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fileIds = fileIds[DeletionBatchSize:]
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} else {
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toDeleteFileIds = fileIds
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fileIds = fileIds[:0]
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}
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deletionCount = len(toDeleteFileIds)
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_, err := operation.DeleteFilesWithLookupVolumeId(f.GrpcDialOption, toDeleteFileIds, lookupFunc)
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if err != nil {
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if !strings.Contains(err.Error(), "already deleted") {
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glog.V(0).Infof("deleting fileIds len=%d error: %v", deletionCount, err)
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}
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} else {
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glog.V(1).Infof("deleting fileIds len=%d", deletionCount)
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}
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}
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})
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if deletionCount == 0 {
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time.Sleep(1123 * time.Millisecond)
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}
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}
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}
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func (f *Filer) DeleteChunks(chunks []*filer_pb.FileChunk) {
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for _, chunk := range chunks {
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if !chunk.IsChunkManifest {
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f.fileIdDeletionQueue.EnQueue(chunk.GetFileIdString())
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continue
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}
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dataChunks, manifestResolveErr := ResolveOneChunkManifest(f.MasterClient.LookupFileId, chunk)
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if manifestResolveErr != nil {
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glog.V(0).Infof("failed to resolve manifest %s: %v", chunk.FileId, manifestResolveErr)
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}
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for _, dChunk := range dataChunks {
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f.fileIdDeletionQueue.EnQueue(dChunk.GetFileIdString())
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}
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f.fileIdDeletionQueue.EnQueue(chunk.GetFileIdString())
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}
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}
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func (f *Filer) deleteChunksIfNotNew(oldEntry, newEntry *Entry) {
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if oldEntry == nil {
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return
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}
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if newEntry == nil {
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f.DeleteChunks(oldEntry.Chunks)
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}
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var toDelete []*filer_pb.FileChunk
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newChunkIds := make(map[string]bool)
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for _, newChunk := range newEntry.Chunks {
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newChunkIds[newChunk.GetFileIdString()] = true
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}
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for _, oldChunk := range oldEntry.Chunks {
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if _, found := newChunkIds[oldChunk.GetFileIdString()]; !found {
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toDelete = append(toDelete, oldChunk)
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}
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}
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f.DeleteChunks(toDelete)
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}
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