gitlab-com-seaweedfs/seaweedfs
1
0
Fork 0
mirror of https://github.com/seaweedfs/seaweedfs.git synced 2024-01-19 02:48:24 +00:00
Code Issues Projects Releases Wiki Activity

update also delete old chunks if different from latest chunks

Browse source
This commit is contained in:
Chris Lu 2018-07-21 17:40:00 -07:00
parent 7e2031b18f
commit 6f30a78a6c
1 changed files with 33 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

43
weed/filer2/filer.go
View file

@ -4,12 +4,13 @@ import (
"fmt"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/karlseguin/ccache"
"os"
"path/filepath"
"strings"
"time"
"github.com/chrislusf/seaweedfs/weed/operation"
)
type Filer struct {
@ -112,7 +113,7 @@ func (f *Filer) CreateEntry(entry *Entry) error {
return fmt.Errorf("insert entry %s: %v", entry.FullPath, err)
}
f.deleteChunks(oldEntry)
f.deleteChunksIfNotNew(oldEntry, entry)
return nil
}
@ -149,7 +150,7 @@ func (f *Filer) DeleteEntryMetaAndData(p FullPath, isRecursive bool, shouldDelet
}
if shouldDeleteChunks {
f.deleteChunks(entry)
f.deleteChunks(entry.Chunks)
}
return f.store.DeleteEntry(p)
@ -157,7 +158,7 @@ func (f *Filer) DeleteEntryMetaAndData(p FullPath, isRecursive bool, shouldDelet
func (f *Filer) ListDirectoryEntries(p FullPath, startFileName string, inclusive bool, limit int) ([]*Entry, error) {
if strings.HasSuffix(string(p), "/") && len(p) > 1 {
p = p[0: len(p)-1]
p = p[0 : len(p)-1]
}
return f.store.ListDirectoryEntries(p, startFileName, inclusive, limit)
}
@ -195,14 +196,36 @@ func (f *Filer) cacheSetDirectory(dirpath string, dirEntry *Entry, level int) {
f.directoryCache.Set(dirpath, dirEntry, time.Duration(minutes)*time.Minute)
}
func (f *Filer) deleteChunks(entry *Entry) {
if entry == nil {
return
}
for _, chunk := range entry.Chunks {
func (f *Filer) deleteChunks(chunks []*filer_pb.FileChunk) {
for _, chunk := range chunks {
if err := operation.DeleteFile(f.GetMaster(), chunk.FileId, ""); err != nil {
glog.V(0).Infof("deleting file %s: %v", chunk.FileId, err)
}
}
}
func (f *Filer) deleteChunksIfNotNew(oldEntry, newEntry *Entry) {
if oldEntry == nil {
return
}
if newEntry == nil {
f.deleteChunks(oldEntry.Chunks)
}
var toDelete []*filer_pb.FileChunk
for _, oldChunk := range oldEntry.Chunks {
found := false
for _, newChunk := range newEntry.Chunks {
if oldChunk.FileId == newChunk.FileId {
found = true
break
}
}
if !found {
toDelete = append(toDelete, oldChunk)
}
}
f.deleteChunks(toDelete)
}