gsh-digital-services/seaweedFS
5
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

CheckAllChunkViews() for HEAD requests only

Browse Source
This commit is contained in:
Konstantin Lebedev
2021-03-16 14:15:17 +05:00
parent 3a3699867b
commit 06da02739d
6 changed files with 20 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
weed/filer/filer_on_meta_event.go
View File

@@ -52,7 +52,7 @@ func (f *Filer) maybeReloadFilerConfiguration(event *filer_pb.SubscribeMetadataR
func (f *Filer) readEntry(chunks []*filer_pb.FileChunk) ([]byte, error) {
var buf bytes.Buffer
err := StreamContent(f.MasterClient, &buf, chunks, 0, math.MaxInt64)
err := StreamContent(f.MasterClient, &buf, chunks, 0, math.MaxInt64, false)
if err != nil {
return nil, err
}

2
weed/filer/read_write.go
View File

@@ -27,7 +27,7 @@ func ReadEntry(masterClient *wdclient.MasterClient, filerClient filer_pb.Seaweed
return err
}
return StreamContent(masterClient, byteBuffer, respLookupEntry.Entry.Chunks, 0, math.MaxInt64)
return StreamContent(masterClient, byteBuffer, respLookupEntry.Entry.Chunks, 0, math.MaxInt64, false)
}

23
weed/filer/stream.go
View File

@@ -14,7 +14,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/wdclient"
)
func StreamContent(masterClient wdclient.HasLookupFileIdFunction, w io.Writer, chunks []*filer_pb.FileChunk, offset int64, size int64) error {
func StreamContent(masterClient wdclient.HasLookupFileIdFunction, w io.Writer, chunks []*filer_pb.FileChunk, offset int64, size int64, isCheck bool) error {
glog.V(9).Infof("start to stream content for chunks: %+v\n", chunks)
chunkViews := ViewFromChunks(masterClient.GetLookupFileIdFunction(), chunks, offset, size)
@@ -34,15 +34,20 @@ func StreamContent(masterClient wdclient.HasLookupFileIdFunction, w io.Writer, c
fileId2Url[chunkView.FileId] = urlStrings
}
for idx, chunkView := range chunkViews {
urlStrings := fileId2Url[chunkView.FileId]
if isCheck {
// Pre-check all chunkViews urls
gErr := new(errgroup.Group)
if len(chunkViews) > 1 && idx == 0 {
CheckAllChunkViews(chunkViews[1:], &fileId2Url, gErr)
CheckAllChunkViews(chunkViews, &fileId2Url, gErr)
if err := gErr.Wait(); err != nil {
glog.Errorf("check all chunks: %v", err)
return fmt.Errorf("check all chunks: %v", err)
}
return nil
}
for _, chunkView := range chunkViews {
urlStrings := fileId2Url[chunkView.FileId]
data, err := retriedFetchChunkData(
urlStrings,
chunkView.CipherKey,
@@ -56,10 +61,6 @@ func StreamContent(masterClient wdclient.HasLookupFileIdFunction, w io.Writer, c
glog.Errorf("read chunk: %v", err)
return fmt.Errorf("read chunk: %v", err)
}
if err := gErr.Wait(); err != nil {
glog.Errorf("check all chunks: %v", err)
return fmt.Errorf("check all chunks: %v", err)
}
_, err = w.Write(data)
if err != nil {
glog.Errorf("write chunk: %v", err)