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filer: avoid stuck uploader
fix https://github.com/chrislusf/seaweedfs/issues/1980 reverting the file upload batch executor
This commit is contained in:
Chris Lu
parent
93f4146ffa
commit
0b82edc0d2
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@ -6,9 +6,7 @@ import (
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"io"
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"io/ioutil"
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"net/http"
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"runtime"
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"strings"
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"sync"
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"time"
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"github.com/chrislusf/seaweedfs/weed/filer"
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@ -20,143 +18,75 @@ import (
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"github.com/chrislusf/seaweedfs/weed/util"
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)
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var (
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limitedUploadProcessor = util.NewLimitedOutOfOrderProcessor(int32(runtime.NumCPU()))
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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) ([]*filer_pb.FileChunk, hash.Hash, int64, error, []byte) {
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var fileChunks []*filer_pb.FileChunk
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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, dataSize int64, err error, smallContent []byte) {
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md5Hash = md5.New()
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md5Hash := md5.New()
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var partReader = ioutil.NopCloser(io.TeeReader(reader, md5Hash))
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// save small content directly
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if !isAppend(r) && ((0 < contentLength && contentLength < fs.option.SaveToFilerLimit) || strings.HasPrefix(r.URL.Path, filer.DirectoryEtcRoot) && contentLength < 4*1024) {
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smallContent, err = ioutil.ReadAll(partReader)
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dataSize = int64(len(smallContent))
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return
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}
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chunkOffset := int64(0)
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var smallContent []byte
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resultsChan := make(chan *ChunkCreationResult, 2)
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for {
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limitedReader := io.LimitReader(partReader, int64(chunkSize))
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var waitForAllData sync.WaitGroup
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waitForAllData.Add(1)
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go func() {
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// process upload results
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defer waitForAllData.Done()
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for result := range resultsChan {
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if result.err != nil {
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err = result.err
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data, err := ioutil.ReadAll(limitedReader)
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if err != nil {
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return nil, nil, 0, err, nil
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}
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if chunkOffset == 0 && !isAppend(r) {
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if len(data) < int(fs.option.SaveToFilerLimit) || strings.HasPrefix(r.URL.Path, filer.DirectoryEtcRoot) && len(data) < 4*1024 {
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smallContent = data
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chunkOffset += int64(len(data))
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break
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}
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}
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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 assignErr, uploadErr error
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var uploadResult *operation.UploadResult
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for i := 0; i < 3; i++ {
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// assign one file id for one chunk
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fileId, urlLocation, auth, assignErr = fs.assignNewFileInfo(so)
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if assignErr != nil {
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return nil, nil, 0, assignErr, nil
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}
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// upload the chunk to the volume server
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uploadResult, uploadErr, _ = fs.doUpload(urlLocation, w, r, dataReader, fileName, contentType, nil, auth)
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if uploadErr != nil {
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time.Sleep(251 * time.Millisecond)
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continue
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}
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// Save to chunk manifest structure
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fileChunks = append(fileChunks, result.chunk)
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break
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}
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}()
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var lock sync.Mutex
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readOffset := int64(0)
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var wg sync.WaitGroup
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for err == nil {
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wg.Add(1)
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request := func() {
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defer wg.Done()
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var localOffset int64
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// read from the input
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lock.Lock()
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localOffset = readOffset
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limitedReader := io.LimitReader(partReader, int64(chunkSize))
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data, readErr := ioutil.ReadAll(limitedReader)
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readOffset += int64(len(data))
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lock.Unlock()
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// handle read errors
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if readErr != nil {
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if err == nil {
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err = readErr
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}
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if readErr != io.EOF {
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resultsChan <- &ChunkCreationResult{
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err: readErr,
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}
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}
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return
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}
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if len(data) == 0 {
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readErr = io.EOF
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if err == nil {
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err = readErr
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}
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return
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}
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// upload
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dataReader := util.NewBytesReader(data)
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fileId, uploadResult, uploadErr := fs.doCreateChunk(w, r, so, dataReader, fileName, contentType)
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if uploadErr != nil {
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if err == nil {
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err = uploadErr
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}
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resultsChan <- &ChunkCreationResult{
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err: uploadErr,
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}
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return
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}
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glog.V(4).Infof("uploaded %s to %s [%d,%d)", fileName, fileId, localOffset, localOffset+int64(uploadResult.Size))
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// send back uploaded file chunk
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resultsChan <- &ChunkCreationResult{
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chunk: uploadResult.ToPbFileChunk(fileId, localOffset),
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}
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}
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limitedUploadProcessor.Execute(request)
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}
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go func() {
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wg.Wait()
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close(resultsChan)
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}()
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waitForAllData.Wait()
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if err == io.EOF {
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err = nil
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}
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return fileChunks, md5Hash, readOffset, err, nil
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}
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type ChunkCreationResult struct {
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chunk *filer_pb.FileChunk
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err error
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}
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func (fs *FilerServer) doCreateChunk(w http.ResponseWriter, r *http.Request, so *operation.StorageOption, dataReader *util.BytesReader, fileName string, contentType string) (string, *operation.UploadResult, error) {
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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 assignErr, uploadErr error
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var uploadResult *operation.UploadResult
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for i := 0; i < 3; i++ {
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// assign one file id for one chunk
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fileId, urlLocation, auth, assignErr = fs.assignNewFileInfo(so)
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if assignErr != nil {
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return "", nil, assignErr
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}
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// upload the chunk to the volume server
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uploadResult, uploadErr, _ = fs.doUpload(urlLocation, w, r, dataReader, fileName, contentType, nil, auth)
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if uploadErr != nil {
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time.Sleep(251 * time.Millisecond)
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continue
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return nil, nil, 0, uploadErr, nil
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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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break
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}
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// Save to chunk manifest structure
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fileChunks = append(fileChunks, uploadResult.ToPbFileChunk(fileId, chunkOffset))
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glog.V(4).Infof("uploaded %s chunk %d to %s [%d,%d)", fileName, len(fileChunks), fileId, chunkOffset, chunkOffset+int64(uploadResult.Size))
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// reset variables for the next chunk
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chunkOffset = chunkOffset + int64(uploadResult.Size)
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// if last chunk was not at full chunk size, but already exhausted the reader
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if int64(uploadResult.Size) < int64(chunkSize) {
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break
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}
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break
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}
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return fileId, uploadResult, uploadErr
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return fileChunks, md5Hash, chunkOffset, nil, smallContent
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}
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func (fs *FilerServer) doUpload(urlLocation string, w http.ResponseWriter, r *http.Request, limitedReader io.Reader, fileName string, contentType string, pairMap map[string]string, auth security.EncodedJwt) (*operation.UploadResult, error, []byte) {
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