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weed filer.copy: parallelize the copying to increase throughput

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improvement https://github.com/chrislusf/seaweedfs/issues/915
This commit is contained in:
Chris Lu 2019-04-05 23:35:30 -07:00
parent c789b496d8
commit 24c020104a
1 changed files with 130 additions and 72 deletions
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198
weed/command/filer_copy.go
View file

@ -19,11 +19,13 @@ import (
"path/filepath"
"strconv"
"strings"
"sync"
"time"
)
var (
copy CopyOptions
waitGroup sync.WaitGroup
)
type CopyOptions struct {
@ -36,6 +38,7 @@ type CopyOptions struct {
maxMB *int
grpcDialOption grpc.DialOption
masterClient *wdclient.MasterClient
concurrency *int
}
func init() {
@ -48,6 +51,7 @@ func init() {
copy.ttl = cmdCopy.Flag.String("ttl", "", "time to live, e.g.: 1m, 1h, 1d, 1M, 1y")
copy.maxMB = cmdCopy.Flag.Int("maxMB", 32, "split files larger than the limit")
copy.filerGrpcPort = cmdCopy.Flag.Int("filer.port.grpc", 0, "filer grpc server listen port, default to filer port + 10000")
copy.concurrency = cmdCopy.Flag.Int("c", 8, "concurrent file copy goroutines")
}
var cmdCopy = &Command{
@ -110,65 +114,125 @@ func runCopy(cmd *Command, args []string) bool {
go copy.masterClient.KeepConnectedToMaster()
copy.masterClient.WaitUntilConnected()
fileCopyTaskChan := make(chan FileCopyTask, *copy.concurrency)
ctx := context.Background()
go func() {
defer close(fileCopyTaskChan)
for _, fileOrDir := range fileOrDirs {
if !doEachCopy(context.Background(), fileOrDir, filerUrl.Host, filerGrpcAddress, copy.grpcDialOption, urlPath) {
return false
if err := genFileCopyTask(fileOrDir, urlPath, fileCopyTaskChan); err != nil {
fmt.Fprintf(os.Stderr, "gen file list error: %v\n", err)
break
}
}
}()
for i := 0; i < *copy.concurrency; i++ {
waitGroup.Add(1)
go func() {
defer waitGroup.Done()
worker := FileCopyWorker{
options: &copy,
filerHost: filerUrl.Host,
filerGrpcAddress: filerGrpcAddress,
}
if err := worker.copyFiles(ctx, fileCopyTaskChan); err != nil {
fmt.Fprintf(os.Stderr, "copy file error: %v\n", err)
return
}
}()
}
waitGroup.Wait()
return true
}
func doEachCopy(ctx context.Context, fileOrDir string, filerAddress, filerGrpcAddress string, grpcDialOption grpc.DialOption, path string) bool {
f, err := os.Open(fileOrDir)
if err != nil {
fmt.Printf("Failed to open file %s: %v\n", fileOrDir, err)
if _, ok := err.(*os.PathError); ok {
fmt.Printf("skipping %s\n", fileOrDir)
return true
}
return false
}
defer f.Close()
func genFileCopyTask(fileOrDir string, destPath string, fileCopyTaskChan chan FileCopyTask) error {
fi, err := f.Stat()
fi, err := os.Stat(fileOrDir)
if err != nil {
fmt.Printf("Failed to get stat for file %s: %v\n", fileOrDir, err)
return false
fmt.Fprintf(os.Stderr, "Failed to get stat for file %s: %v\n", fileOrDir, err)
return nil
}
mode := fi.Mode()
if mode.IsDir() {
files, _ := ioutil.ReadDir(fileOrDir)
for _, subFileOrDir := range files {
if !doEachCopy(ctx, fileOrDir+"/"+subFileOrDir.Name(), filerAddress, filerGrpcAddress, grpcDialOption, path+fi.Name()+"/") {
return false
if err = genFileCopyTask(fileOrDir+"/"+subFileOrDir.Name(), destPath+fi.Name()+"/", fileCopyTaskChan); err != nil {
return err
}
}
return true
return nil
}
fileCopyTaskChan <- FileCopyTask{
sourceLocation: fileOrDir,
destinationUrlPath: destPath,
fileSize: fi.Size(),
fileMode: fi.Mode(),
}
return nil
}
type FileCopyWorker struct {
options *CopyOptions
filerHost string
filerGrpcAddress string
}
func (worker *FileCopyWorker) copyFiles(ctx context.Context, fileCopyTaskChan chan FileCopyTask) error {
for task := range fileCopyTaskChan {
if err := worker.doEachCopy(ctx, task); err != nil {
return err
}
}
return nil
}
type FileCopyTask struct {
sourceLocation string
destinationUrlPath string
fileSize int64
fileMode os.FileMode
}
func (worker *FileCopyWorker) doEachCopy(ctx context.Context, task FileCopyTask) error {
f, err := os.Open(task.sourceLocation)
if err != nil {
fmt.Printf("Failed to open file %s: %v\n", task.sourceLocation, err)
if _, ok := err.(*os.PathError); ok {
fmt.Printf("skipping %s\n", task.sourceLocation)
return nil
}
return err
}
defer f.Close()
// this is a regular file
if *copy.include != "" {
if ok, _ := filepath.Match(*copy.include, filepath.Base(fileOrDir)); !ok {
return true
if *worker.options.include != "" {
if ok, _ := filepath.Match(*worker.options.include, filepath.Base(task.sourceLocation)); !ok {
return nil
}
}
// find the chunk count
chunkSize := int64(*copy.maxMB * 1024 * 1024)
chunkSize := int64(*worker.options.maxMB * 1024 * 1024)
chunkCount := 1
if chunkSize > 0 && fi.Size() > chunkSize {
chunkCount = int(fi.Size()/chunkSize) + 1
if chunkSize > 0 && task.fileSize > chunkSize {
chunkCount = int(task.fileSize/chunkSize) + 1
}
if chunkCount == 1 {
return uploadFileAsOne(ctx, filerAddress, filerGrpcAddress, grpcDialOption, path, f, fi)
return worker.uploadFileAsOne(ctx, task, f)
}
return uploadFileInChunks(ctx, filerAddress, filerGrpcAddress, grpcDialOption, path, f, fi, chunkCount, chunkSize)
return worker.uploadFileInChunks(ctx, task, f, chunkCount, chunkSize)
}
func uploadFileAsOne(ctx context.Context, filerAddress, filerGrpcAddress string, grpcDialOption grpc.DialOption, urlFolder string, f *os.File, fi os.FileInfo) bool {
func (worker *FileCopyWorker) uploadFileAsOne(ctx context.Context, task FileCopyTask, f *os.File) error {
// upload the file content
fileName := filepath.Base(f.Name())
@ -176,29 +240,27 @@ func uploadFileAsOne(ctx context.Context, filerAddress, filerGrpcAddress string,
var chunks []*filer_pb.FileChunk
if fi.Size() > 0 {
if task.fileSize > 0 {
// assign a volume
assignResult, err := operation.Assign(copy.masterClient.GetMaster(), grpcDialOption, &operation.VolumeAssignRequest{
assignResult, err := operation.Assign(worker.options.masterClient.GetMaster(), worker.options.grpcDialOption, &operation.VolumeAssignRequest{
Count: 1,
Replication: *copy.replication,
Collection: *copy.collection,
Ttl: *copy.ttl,
Replication: *worker.options.replication,
Collection: *worker.options.collection,
Ttl: *worker.options.ttl,
})
if err != nil {
fmt.Printf("Failed to assign from %s: %v\n", *copy.master, err)
fmt.Printf("Failed to assign from %s: %v\n", *worker.options.master, err)
}
targetUrl := "http://" + assignResult.Url + "/" + assignResult.Fid
uploadResult, err := operation.Upload(targetUrl, fileName, f, false, mimeType, nil, assignResult.Auth)
if err != nil {
fmt.Printf("upload data %v to %s: %v\n", fileName, targetUrl, err)
return false
return fmt.Errorf("upload data %v to %s: %v\n", fileName, targetUrl, err)
}
if uploadResult.Error != "" {
fmt.Printf("upload %v to %s result: %v\n", fileName, targetUrl, uploadResult.Error)
return false
return fmt.Errorf("upload %v to %s result: %v\n", fileName, targetUrl, uploadResult.Error)
}
fmt.Printf("uploaded %s to %s\n", fileName, targetUrl)
@ -210,12 +272,12 @@ func uploadFileAsOne(ctx context.Context, filerAddress, filerGrpcAddress string,
ETag: uploadResult.ETag,
})
fmt.Printf("copied %s => http://%s%s%s\n", fileName, filerAddress, urlFolder, fileName)
fmt.Printf("copied %s => http://%s%s%s\n", fileName, worker.filerHost, task.destinationUrlPath, fileName)
}
if err := withFilerClient(ctx, filerGrpcAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
if err := withFilerClient(ctx, worker.filerGrpcAddress, worker.options.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.CreateEntryRequest{
Directory: urlFolder,
Directory: task.destinationUrlPath,
Entry: &filer_pb.Entry{
Name: fileName,
Attributes: &filer_pb.FuseAttributes{
@ -223,12 +285,12 @@ func uploadFileAsOne(ctx context.Context, filerAddress, filerGrpcAddress string,
Mtime: time.Now().Unix(),
Gid: uint32(os.Getgid()),
Uid: uint32(os.Getuid()),
FileSize: uint64(fi.Size()),
FileMode: uint32(fi.Mode()),
FileSize: uint64(task.fileSize),
FileMode: uint32(task.fileMode),
Mime: mimeType,
Replication: *copy.replication,
Collection: *copy.collection,
TtlSec: int32(util.ParseInt(*copy.ttl, 0)),
Replication: *worker.options.replication,
Collection: *worker.options.collection,
TtlSec: int32(util.ParseInt(*worker.options.ttl, 0)),
},
Chunks: chunks,
},
@ -239,14 +301,13 @@ func uploadFileAsOne(ctx context.Context, filerAddress, filerGrpcAddress string,
}
return nil
}); err != nil {
fmt.Printf("upload data %v to http://%s%s%s: %v\n", fileName, filerAddress, urlFolder, fileName, err)
return false
return fmt.Errorf("upload data %v to http://%s%s%s: %v\n", fileName, worker.filerHost, task.destinationUrlPath, fileName, err)
}
return true
return nil
}
func uploadFileInChunks(ctx context.Context, filerAddress, filerGrpcAddress string, grpcDialOption grpc.DialOption, urlFolder string, f *os.File, fi os.FileInfo, chunkCount int, chunkSize int64) bool {
func (worker *FileCopyWorker) uploadFileInChunks(ctx context.Context, task FileCopyTask, f *os.File, chunkCount int, chunkSize int64) error {
fileName := filepath.Base(f.Name())
mimeType := detectMimeType(f)
@ -256,14 +317,14 @@ func uploadFileInChunks(ctx context.Context, filerAddress, filerGrpcAddress stri
for i := int64(0); i < int64(chunkCount); i++ {
// assign a volume
assignResult, err := operation.Assign(copy.masterClient.GetMaster(), grpcDialOption, &operation.VolumeAssignRequest{
assignResult, err := operation.Assign(worker.options.masterClient.GetMaster(), worker.options.grpcDialOption, &operation.VolumeAssignRequest{
Count: 1,
Replication: *copy.replication,
Collection: *copy.collection,
Ttl: *copy.ttl,
Replication: *worker.options.replication,
Collection: *worker.options.collection,
Ttl: *worker.options.ttl,
})
if err != nil {
fmt.Printf("Failed to assign from %s: %v\n", *copy.master, err)
fmt.Printf("Failed to assign from %s: %v\n", *worker.options.master, err)
}
targetUrl := "http://" + assignResult.Url + "/" + assignResult.Fid
@ -273,12 +334,10 @@ func uploadFileInChunks(ctx context.Context, filerAddress, filerGrpcAddress stri
io.LimitReader(f, chunkSize),
false, "application/octet-stream", nil, assignResult.Auth)
if err != nil {
fmt.Printf("upload data %v to %s: %v\n", fileName, targetUrl, err)
return false
return fmt.Errorf("upload data %v to %s: %v\n", fileName, targetUrl, err)
}
if uploadResult.Error != "" {
fmt.Printf("upload %v to %s result: %v\n", fileName, targetUrl, uploadResult.Error)
return false
return fmt.Errorf("upload %v to %s result: %v\n", fileName, targetUrl, uploadResult.Error)
}
chunks = append(chunks, &filer_pb.FileChunk{
FileId: assignResult.Fid,
@ -290,9 +349,9 @@ func uploadFileInChunks(ctx context.Context, filerAddress, filerGrpcAddress stri
fmt.Printf("uploaded %s-%d to %s [%d,%d)\n", fileName, i+1, targetUrl, i*chunkSize, i*chunkSize+int64(uploadResult.Size))
}
if err := withFilerClient(ctx, filerGrpcAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
if err := withFilerClient(ctx, worker.filerGrpcAddress, worker.options.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.CreateEntryRequest{
Directory: urlFolder,
Directory: task.destinationUrlPath,
Entry: &filer_pb.Entry{
Name: fileName,
Attributes: &filer_pb.FuseAttributes{
@ -300,12 +359,12 @@ func uploadFileInChunks(ctx context.Context, filerAddress, filerGrpcAddress stri
Mtime: time.Now().Unix(),
Gid: uint32(os.Getgid()),
Uid: uint32(os.Getuid()),
FileSize: uint64(fi.Size()),
FileMode: uint32(fi.Mode()),
FileSize: uint64(task.fileSize),
FileMode: uint32(task.fileMode),
Mime: mimeType,
Replication: *copy.replication,
Collection: *copy.collection,
TtlSec: int32(util.ParseInt(*copy.ttl, 0)),
Replication: *worker.options.replication,
Collection: *worker.options.collection,
TtlSec: int32(util.ParseInt(*worker.options.ttl, 0)),
},
Chunks: chunks,
},
@ -316,13 +375,12 @@ func uploadFileInChunks(ctx context.Context, filerAddress, filerGrpcAddress stri
}
return nil
}); err != nil {
fmt.Printf("upload data %v to http://%s%s%s: %v\n", fileName, filerAddress, urlFolder, fileName, err)
return false
return fmt.Errorf("upload data %v to http://%s%s%s: %v\n", fileName, worker.filerHost, task.destinationUrlPath, fileName, err)
}
fmt.Printf("copied %s => http://%s%s%s\n", fileName, filerAddress, urlFolder, fileName)
fmt.Printf("copied %s => http://%s%s%s\n", fileName, worker.filerHost, task.destinationUrlPath, fileName)
return true
return nil
}
func detectMimeType(f *os.File) string {