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package filer
import ( "math" "strings" "time"
"github.com/seaweedfs/seaweedfs/weed/glog" "github.com/seaweedfs/seaweedfs/weed/operation" "github.com/seaweedfs/seaweedfs/weed/pb/filer_pb" "github.com/seaweedfs/seaweedfs/weed/wdclient" )
func LookupByMasterClientFn(masterClient *wdclient.MasterClient) func(vids []string) (map[string]*operation.LookupResult, error) { return func(vids []string) (map[string]*operation.LookupResult, error) { m := make(map[string]*operation.LookupResult) for _, vid := range vids { locs, _ := masterClient.GetVidLocations(vid) var locations []operation.Location for _, loc := range locs { locations = append(locations, operation.Location{ Url: loc.Url, PublicUrl: loc.PublicUrl, }) } m[vid] = &operation.LookupResult{ VolumeOrFileId: vid, Locations: locations, } } return m, nil } }
func (f *Filer) loopProcessingDeletion() {
lookupFunc := LookupByMasterClientFn(f.MasterClient)
DeletionBatchSize := 100000 // roughly 20 bytes cost per file id.
var deletionCount int for { deletionCount = 0 f.fileIdDeletionQueue.Consume(func(fileIds []string) { for len(fileIds) > 0 { var toDeleteFileIds []string if len(fileIds) > DeletionBatchSize { toDeleteFileIds = fileIds[:DeletionBatchSize] fileIds = fileIds[DeletionBatchSize:] } else { toDeleteFileIds = fileIds fileIds = fileIds[:0] } deletionCount = len(toDeleteFileIds) _, err := operation.DeleteFilesWithLookupVolumeId(f.GrpcDialOption, toDeleteFileIds, lookupFunc) if err != nil { if !strings.Contains(err.Error(), "already deleted") { glog.V(0).Infof("deleting fileIds len=%d error: %v", deletionCount, err) } } else { glog.V(2).Infof("deleting fileIds %+v", toDeleteFileIds) } } })
if deletionCount == 0 { time.Sleep(1123 * time.Millisecond) } } }
func (f *Filer) doDeleteFileIds(fileIds []string) {
lookupFunc := LookupByMasterClientFn(f.MasterClient) DeletionBatchSize := 100000 // roughly 20 bytes cost per file id.
for len(fileIds) > 0 { var toDeleteFileIds []string if len(fileIds) > DeletionBatchSize { toDeleteFileIds = fileIds[:DeletionBatchSize] fileIds = fileIds[DeletionBatchSize:] } else { toDeleteFileIds = fileIds fileIds = fileIds[:0] } deletionCount := len(toDeleteFileIds) _, err := operation.DeleteFilesWithLookupVolumeId(f.GrpcDialOption, toDeleteFileIds, lookupFunc) if err != nil { if !strings.Contains(err.Error(), "already deleted") { glog.V(0).Infof("deleting fileIds len=%d error: %v", deletionCount, err) } } } }
func (f *Filer) DirectDeleteChunks(chunks []*filer_pb.FileChunk) { var fildIdsToDelete []string for _, chunk := range chunks { if !chunk.IsChunkManifest { fildIdsToDelete = append(fildIdsToDelete, chunk.GetFileIdString()) continue } dataChunks, manifestResolveErr := ResolveOneChunkManifest(f.MasterClient.LookupFileId, chunk) if manifestResolveErr != nil { glog.V(0).Infof("failed to resolve manifest %s: %v", chunk.FileId, manifestResolveErr) } for _, dChunk := range dataChunks { fildIdsToDelete = append(fildIdsToDelete, dChunk.GetFileIdString()) } fildIdsToDelete = append(fildIdsToDelete, chunk.GetFileIdString()) }
f.doDeleteFileIds(fildIdsToDelete) }
func (f *Filer) DeleteChunks(chunks []*filer_pb.FileChunk) { for _, chunk := range chunks { if !chunk.IsChunkManifest { f.fileIdDeletionQueue.EnQueue(chunk.GetFileIdString()) continue } dataChunks, manifestResolveErr := ResolveOneChunkManifest(f.MasterClient.LookupFileId, chunk) if manifestResolveErr != nil { glog.V(0).Infof("failed to resolve manifest %s: %v", chunk.FileId, manifestResolveErr) } for _, dChunk := range dataChunks { f.fileIdDeletionQueue.EnQueue(dChunk.GetFileIdString()) } f.fileIdDeletionQueue.EnQueue(chunk.GetFileIdString()) } }
func (f *Filer) DeleteChunksNotRecursive(chunks []*filer_pb.FileChunk) { for _, chunk := range chunks { f.fileIdDeletionQueue.EnQueue(chunk.GetFileIdString()) } }
func (f *Filer) deleteChunksIfNotNew(oldEntry, newEntry *Entry) {
if oldEntry == nil { return } if newEntry == nil { f.DeleteChunks(oldEntry.Chunks) return }
var toDelete []*filer_pb.FileChunk newChunkIds := make(map[string]bool) newDataChunks, newManifestChunks, err := ResolveChunkManifest(f.MasterClient.GetLookupFileIdFunction(), newEntry.Chunks, 0, math.MaxInt64) if err != nil { glog.Errorf("Failed to resolve new entry chunks when delete old entry chunks. new: %s, old: %s", newEntry.Chunks, oldEntry.Chunks) return } for _, newChunk := range newDataChunks { newChunkIds[newChunk.GetFileIdString()] = true } for _, newChunk := range newManifestChunks { newChunkIds[newChunk.GetFileIdString()] = true }
oldDataChunks, oldManifestChunks, err := ResolveChunkManifest(f.MasterClient.GetLookupFileIdFunction(), oldEntry.Chunks, 0, math.MaxInt64) if err != nil { glog.Errorf("Failed to resolve old entry chunks when delete old entry chunks. new: %s, old: %s", newEntry.Chunks, oldEntry.Chunks) return } for _, oldChunk := range oldDataChunks { if _, found := newChunkIds[oldChunk.GetFileIdString()]; !found { toDelete = append(toDelete, oldChunk) } } for _, oldChunk := range oldManifestChunks { if _, found := newChunkIds[oldChunk.GetFileIdString()]; !found { toDelete = append(toDelete, oldChunk) } } f.DeleteChunksNotRecursive(toDelete) }
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