mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-08-25 03:01:15 +02:00
* Removing chunks on failed to write to replicas https://github.com/seaweedfs/seaweedfs/issues/3578 * put with in the util.Retry * just purge on any errors
219 lines
6.6 KiB
Go
219 lines
6.6 KiB
Go
package weed_server
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import (
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"bytes"
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"crypto/md5"
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"fmt"
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"golang.org/x/exp/slices"
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"hash"
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"io"
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"net/http"
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"strconv"
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"sync"
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"sync/atomic"
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"time"
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"github.com/seaweedfs/seaweedfs/weed/glog"
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"github.com/seaweedfs/seaweedfs/weed/operation"
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"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
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"github.com/seaweedfs/seaweedfs/weed/security"
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"github.com/seaweedfs/seaweedfs/weed/stats"
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"github.com/seaweedfs/seaweedfs/weed/util"
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)
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var bufPool = sync.Pool{
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New: func() interface{} {
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return new(bytes.Buffer)
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},
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}
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func (fs *FilerServer) uploadReaderToChunks(w http.ResponseWriter, r *http.Request, reader io.Reader, chunkSize int32, fileName, contentType string, contentLength int64, so *operation.StorageOption) (fileChunks []*filer_pb.FileChunk, md5Hash hash.Hash, chunkOffset int64, uploadErr error, smallContent []byte) {
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query := r.URL.Query()
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isAppend := isAppend(r)
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if query.Has("offset") {
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offset := query.Get("offset")
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offsetInt, err := strconv.ParseInt(offset, 10, 64)
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if err != nil || offsetInt < 0 {
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err = fmt.Errorf("invalid 'offset': '%s'", offset)
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return nil, nil, 0, err, nil
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}
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if isAppend && offsetInt > 0 {
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err = fmt.Errorf("cannot set offset when op=append")
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return nil, nil, 0, err, nil
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}
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chunkOffset = offsetInt
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}
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md5Hash = md5.New()
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var partReader = io.NopCloser(io.TeeReader(reader, md5Hash))
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var wg sync.WaitGroup
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var bytesBufferCounter int64
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bytesBufferLimitCond := sync.NewCond(new(sync.Mutex))
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var fileChunksLock sync.Mutex
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var uploadErrLock sync.Mutex
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for {
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// need to throttle used byte buffer
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bytesBufferLimitCond.L.Lock()
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for atomic.LoadInt64(&bytesBufferCounter) >= 4 {
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glog.V(4).Infof("waiting for byte buffer %d", atomic.LoadInt64(&bytesBufferCounter))
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bytesBufferLimitCond.Wait()
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}
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atomic.AddInt64(&bytesBufferCounter, 1)
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bytesBufferLimitCond.L.Unlock()
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bytesBuffer := bufPool.Get().(*bytes.Buffer)
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glog.V(4).Infof("received byte buffer %d", atomic.LoadInt64(&bytesBufferCounter))
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limitedReader := io.LimitReader(partReader, int64(chunkSize))
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bytesBuffer.Reset()
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dataSize, err := bytesBuffer.ReadFrom(limitedReader)
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// data, err := io.ReadAll(limitedReader)
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if err != nil || dataSize == 0 {
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bufPool.Put(bytesBuffer)
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atomic.AddInt64(&bytesBufferCounter, -1)
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bytesBufferLimitCond.Signal()
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uploadErrLock.Lock()
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uploadErr = err
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uploadErrLock.Unlock()
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break
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}
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if chunkOffset == 0 && !isAppend {
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if dataSize < fs.option.SaveToFilerLimit {
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chunkOffset += dataSize
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smallContent = make([]byte, dataSize)
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bytesBuffer.Read(smallContent)
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bufPool.Put(bytesBuffer)
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atomic.AddInt64(&bytesBufferCounter, -1)
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bytesBufferLimitCond.Signal()
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stats.FilerRequestCounter.WithLabelValues(stats.ContentSaveToFiler).Inc()
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break
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}
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} else {
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stats.FilerRequestCounter.WithLabelValues(stats.AutoChunk).Inc()
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}
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wg.Add(1)
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go func(offset int64) {
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defer func() {
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bufPool.Put(bytesBuffer)
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atomic.AddInt64(&bytesBufferCounter, -1)
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bytesBufferLimitCond.Signal()
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wg.Done()
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}()
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chunks, toChunkErr := fs.dataToChunk(fileName, contentType, bytesBuffer.Bytes(), offset, so)
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if toChunkErr != nil {
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uploadErrLock.Lock()
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if uploadErr == nil {
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uploadErr = toChunkErr
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}
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uploadErrLock.Unlock()
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}
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if chunks != nil {
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fileChunksLock.Lock()
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fileChunksSize := len(fileChunks) + len(chunks)
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for _, chunk := range chunks {
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fileChunks = append(fileChunks, chunk)
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glog.V(4).Infof("uploaded %s chunk %d to %s [%d,%d)", fileName, fileChunksSize, chunk.FileId, offset, offset+int64(chunk.Size))
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}
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fileChunksLock.Unlock()
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}
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}(chunkOffset)
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// reset variables for the next chunk
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chunkOffset = chunkOffset + dataSize
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// if last chunk was not at full chunk size, but already exhausted the reader
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if dataSize < int64(chunkSize) {
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break
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}
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}
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wg.Wait()
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if uploadErr != nil {
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fs.filer.DeleteChunks(fileChunks)
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return nil, md5Hash, 0, uploadErr, nil
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}
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slices.SortFunc(fileChunks, func(a, b *filer_pb.FileChunk) bool {
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return a.Offset < b.Offset
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})
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return fileChunks, md5Hash, chunkOffset, nil, smallContent
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}
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func (fs *FilerServer) doUpload(urlLocation string, limitedReader io.Reader, fileName string, contentType string, pairMap map[string]string, auth security.EncodedJwt) (*operation.UploadResult, error, []byte) {
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stats.FilerRequestCounter.WithLabelValues(stats.ChunkUpload).Inc()
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start := time.Now()
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defer func() {
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stats.FilerRequestHistogram.WithLabelValues(stats.ChunkUpload).Observe(time.Since(start).Seconds())
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}()
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uploadOption := &operation.UploadOption{
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UploadUrl: urlLocation,
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Filename: fileName,
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Cipher: fs.option.Cipher,
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IsInputCompressed: false,
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MimeType: contentType,
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PairMap: pairMap,
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Jwt: auth,
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}
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uploadResult, err, data := operation.Upload(limitedReader, uploadOption)
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if uploadResult != nil && uploadResult.RetryCount > 0 {
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stats.FilerRequestCounter.WithLabelValues(stats.ChunkUploadRetry).Add(float64(uploadResult.RetryCount))
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}
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return uploadResult, err, data
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}
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func (fs *FilerServer) dataToChunk(fileName, contentType string, data []byte, chunkOffset int64, so *operation.StorageOption) ([]*filer_pb.FileChunk, error) {
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dataReader := util.NewBytesReader(data)
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// retry to assign a different file id
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var fileId, urlLocation string
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var auth security.EncodedJwt
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var uploadErr error
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var uploadResult *operation.UploadResult
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var failedFileChunks []*filer_pb.FileChunk
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err := util.Retry("filerDataToChunk", func() error {
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// assign one file id for one chunk
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fileId, urlLocation, auth, uploadErr = fs.assignNewFileInfo(so)
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if uploadErr != nil {
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glog.V(4).Infof("retry later due to assign error: %v", uploadErr)
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stats.FilerRequestCounter.WithLabelValues(stats.ChunkAssignRetry).Inc()
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return uploadErr
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}
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// upload the chunk to the volume server
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uploadResult, uploadErr, _ = fs.doUpload(urlLocation, dataReader, fileName, contentType, nil, auth)
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if uploadErr != nil {
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glog.V(4).Infof("retry later due to upload error: %v", uploadErr)
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stats.FilerRequestCounter.WithLabelValues(stats.ChunkDoUploadRetry).Inc()
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fid, _ := filer_pb.ToFileIdObject(fileId)
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fileChunk := filer_pb.FileChunk{
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FileId: fileId,
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Offset: chunkOffset,
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Fid: fid,
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}
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failedFileChunks = append(failedFileChunks, &fileChunk)
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return uploadErr
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}
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return nil
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})
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if err != nil {
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glog.Errorf("upload error: %v", err)
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return failedFileChunks, err
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}
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// if last chunk exhausted the reader exactly at the border
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if uploadResult.Size == 0 {
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return nil, nil
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}
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return []*filer_pb.FileChunk{uploadResult.ToPbFileChunk(fileId, chunkOffset)}, nil
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}
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