From 410b818aa7d99bcc830d0dbafac9c7298a2afceb Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Mon, 19 Oct 2020 14:24:57 -0700 Subject: [PATCH 01/15] master: avoid timer leakage --- weed/topology/topology_vacuum.go | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/weed/topology/topology_vacuum.go b/weed/topology/topology_vacuum.go index 4f3d69627..7bf55d131 100644 --- a/weed/topology/topology_vacuum.go +++ b/weed/topology/topology_vacuum.go @@ -42,13 +42,17 @@ func batchVacuumVolumeCheck(grpcDialOption grpc.DialOption, vl *VolumeLayout, vi }(index, dn.Url(), vid) } vacuumLocationList := NewVolumeLocationList() + + waitTimeout := time.NewTimer(30 * time.Minute) + defer waitTimeout.Stop() + for range locationlist.list { select { case index := <-ch: if index != -1 { vacuumLocationList.list = append(vacuumLocationList.list, locationlist.list[index]) } - case <-time.After(30 * time.Minute): + case <-waitTimeout.C: return vacuumLocationList, false } } @@ -81,11 +85,15 @@ func batchVacuumVolumeCompact(grpcDialOption grpc.DialOption, vl *VolumeLayout, }(index, dn.Url(), vid) } isVacuumSuccess := true + + waitTimeout := time.NewTimer(30 * time.Minute) + defer waitTimeout.Stop() + for range locationlist.list { select { case canCommit := <-ch: isVacuumSuccess = isVacuumSuccess && canCommit - case <-time.After(30 * time.Minute): + case <-waitTimeout.C: return false } } From 7fc98da709f9582bc27fad64bd2d718d6b7c5173 Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Mon, 19 Oct 2020 17:27:40 -0700 Subject: [PATCH 02/15] Update README.md --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 4d816c23d..1cf0475f7 100644 --- a/README.md +++ b/README.md @@ -429,7 +429,7 @@ MinIO metadata are in simple files. Each file write will incur meta file writes. MinIO does not have optimization for large number of small files. -MinIO has multiple disk IO to read one file. SeaweedFS has O(1) disk reads. +MinIO has multiple disk IO to read one file. SeaweedFS has O(1) disk reads, even for erasure coded files. MinIO has full-time erasure coding. SeaweedFS uses replication on hot data for faster speed and optionally applies erasure coding on warm data. From b3aa2fab9ab4f79da7deb5b70c528cdcbe32dc3f Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Tue, 20 Oct 2020 10:25:16 -0700 Subject: [PATCH 03/15] s3: report error to s3 when updating an object but it is already a directory fix https://github.com/chrislusf/seaweedfs/issues/1545 --- weed/s3api/s3api_object_handlers.go | 12 ++++++++++-- weed/s3api/s3err/s3api_errors.go | 7 +++++++ 2 files changed, 17 insertions(+), 2 deletions(-) diff --git a/weed/s3api/s3api_object_handlers.go b/weed/s3api/s3api_object_handlers.go index 93d6db79f..fa628f44e 100644 --- a/weed/s3api/s3api_object_handlers.go +++ b/weed/s3api/s3api_object_handlers.go @@ -5,12 +5,13 @@ import ( "encoding/json" "encoding/xml" "fmt" - "github.com/chrislusf/seaweedfs/weed/s3api/s3err" "io" "io/ioutil" "net/http" "strings" + "github.com/chrislusf/seaweedfs/weed/s3api/s3err" + "github.com/gorilla/mux" "github.com/chrislusf/seaweedfs/weed/glog" @@ -333,7 +334,7 @@ func (s3a *S3ApiServer) putToFiler(r *http.Request, uploadUrl string, dataReader } if ret.Error != "" { glog.Errorf("upload to filer error: %v", ret.Error) - return "", s3err.ErrInternalError + return "", filerErrorToS3Error(ret.Error) } return etag, s3err.ErrNone @@ -359,3 +360,10 @@ func getBucketAndObject(r *http.Request) (bucket, object string) { return } + +func filerErrorToS3Error(errString string) s3err.ErrorCode { + if strings.HasPrefix(errString, "existing ") && strings.HasSuffix(errString, "is a directory") { + return s3err.ErrExistingObjectIsDirectory + } + return s3err.ErrInternalError +} diff --git a/weed/s3api/s3err/s3api_errors.go b/weed/s3api/s3err/s3api_errors.go index f95652afb..a3f7bb25e 100644 --- a/weed/s3api/s3err/s3api_errors.go +++ b/weed/s3api/s3err/s3api_errors.go @@ -92,6 +92,8 @@ const ( ErrMissingDateHeader ErrInvalidRequest ErrNotImplemented + + ErrExistingObjectIsDirectory ) // error code to APIError structure, these fields carry respective @@ -344,6 +346,11 @@ var errorCodeResponse = map[ErrorCode]APIError{ Description: "A header you provided implies functionality that is not implemented", HTTPStatusCode: http.StatusNotImplemented, }, + ErrExistingObjectIsDirectory: { + Code: "ExistingObjectIsDirectory", + Description: "Existing Object is a directory.", + HTTPStatusCode: http.StatusConflict, + }, } // GetAPIError provides API Error for input API error code. From e932262b070ddcd426f98a2599fad0eec0972c37 Mon Sep 17 00:00:00 2001 From: suika <2320837+Suika@users.noreply.github.com> Date: Wed, 21 Oct 2020 01:47:29 +0200 Subject: [PATCH 04/15] Allow custom command arguments to override default values in docker Depending on a setup, 1GB volume limit is not the preferable size. As weed can process multiple arguements and the later argument is the one to be used, it is relatively easy to override the arguments defined in the entrypoint. The arguments passed to the script will be shifted and appended at the end of the command. Since the first argument will fall into specific case, the argument can be predefined and the whole argument array shifted. Allowing to do "volume/server/master/etc $ARGS $@" --- docker/entrypoint.sh | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh index 427576bcf..5a858d993 100755 --- a/docker/entrypoint.sh +++ b/docker/entrypoint.sh @@ -23,7 +23,8 @@ case "$1" in 'master') ARGS="-mdir=/data -volumePreallocate -volumeSizeLimitMB=1024" - exec /usr/bin/weed $@ $ARGS + shift + exec /usr/bin/weed master $ARGS $@ ;; 'volume') @@ -31,7 +32,8 @@ case "$1" in if isArgPassed "-max" "$@"; then ARGS="-dir=/data" fi - exec /usr/bin/weed $@ $ARGS + shift + exec /usr/bin/weed volume $ARGS $@ ;; 'server') @@ -39,17 +41,20 @@ case "$1" in if isArgPassed "-volume.max" "$@"; then ARGS="-dir=/data -master.volumePreallocate -master.volumeSizeLimitMB=1024" fi - exec /usr/bin/weed $@ $ARGS + shift + exec /usr/bin/weed server $ARGS $@ ;; 'filer') ARGS="" - exec /usr/bin/weed $@ $ARGS + shift + exec /usr/bin/weed filer $ARGS $@ ;; 's3') ARGS="-domainName=$S3_DOMAIN_NAME -key.file=$S3_KEY_FILE -cert.file=$S3_CERT_FILE" - exec /usr/bin/weed $@ $ARGS + shift + exec /usr/bin/weed s3 $ARGS $@ ;; 'cronjob') From 6c92fa349d0050111e51ac1ec093458f8f5d4d9f Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Tue, 20 Oct 2020 17:41:39 -0700 Subject: [PATCH 05/15] filer: support default rack fix https://github.com/chrislusf/seaweedfs/issues/1546 --- other/java/client/src/main/proto/filer.proto | 1 + weed/command/filer.go | 3 + weed/command/server.go | 1 + weed/pb/filer.proto | 1 + weed/pb/filer_pb/filer.pb.go | 543 +++++++++--------- weed/server/filer_grpc_server.go | 22 +- weed/server/filer_server.go | 4 +- weed/server/filer_server_handlers_write.go | 11 +- .../filer_server_handlers_write_autochunk.go | 27 +- .../filer_server_handlers_write_cipher.go | 5 +- 10 files changed, 317 insertions(+), 301 deletions(-) diff --git a/other/java/client/src/main/proto/filer.proto b/other/java/client/src/main/proto/filer.proto index dd5d08e1e..40a46b33f 100644 --- a/other/java/client/src/main/proto/filer.proto +++ b/other/java/client/src/main/proto/filer.proto @@ -218,6 +218,7 @@ message AssignVolumeRequest { int32 ttl_sec = 4; string data_center = 5; string parent_path = 6; + string rack = 7; } message AssignVolumeResponse { diff --git a/weed/command/filer.go b/weed/command/filer.go index e885eafc4..793401fe3 100644 --- a/weed/command/filer.go +++ b/weed/command/filer.go @@ -36,6 +36,7 @@ type FilerOptions struct { maxMB *int dirListingLimit *int dataCenter *string + rack *string enableNotification *bool disableHttp *bool cipher *bool @@ -59,6 +60,7 @@ func init() { f.maxMB = cmdFiler.Flag.Int("maxMB", 32, "split files larger than the limit") f.dirListingLimit = cmdFiler.Flag.Int("dirListLimit", 100000, "limit sub dir listing size") f.dataCenter = cmdFiler.Flag.String("dataCenter", "", "prefer to write to volumes in this data center") + f.rack = cmdFiler.Flag.String("rack", "", "prefer to write to volumes in this rack") f.disableHttp = cmdFiler.Flag.Bool("disableHttp", false, "disable http request, only gRpc operations are allowed") f.cipher = cmdFiler.Flag.Bool("encryptVolumeData", false, "encrypt data on volume servers") f.peers = cmdFiler.Flag.String("peers", "", "all filers sharing the same filer store in comma separated ip:port list") @@ -141,6 +143,7 @@ func (fo *FilerOptions) startFiler() { MaxMB: *fo.maxMB, DirListingLimit: *fo.dirListingLimit, DataCenter: *fo.dataCenter, + Rack: *fo.rack, DefaultLevelDbDir: defaultLevelDbDirectory, DisableHttp: *fo.disableHttp, Host: *fo.ip, diff --git a/weed/command/server.go b/weed/command/server.go index 80fb14600..c55d2cfee 100644 --- a/weed/command/server.go +++ b/weed/command/server.go @@ -159,6 +159,7 @@ func runServer(cmd *Command, args []string) bool { masterOptions.whiteList = serverWhiteListOption filerOptions.dataCenter = serverDataCenter + filerOptions.rack = serverRack filerOptions.disableHttp = serverDisableHttp masterOptions.disableHttp = serverDisableHttp diff --git a/weed/pb/filer.proto b/weed/pb/filer.proto index dd5d08e1e..40a46b33f 100644 --- a/weed/pb/filer.proto +++ b/weed/pb/filer.proto @@ -218,6 +218,7 @@ message AssignVolumeRequest { int32 ttl_sec = 4; string data_center = 5; string parent_path = 6; + string rack = 7; } message AssignVolumeResponse { diff --git a/weed/pb/filer_pb/filer.pb.go b/weed/pb/filer_pb/filer.pb.go index e89c5f221..36d35eb8b 100644 --- a/weed/pb/filer_pb/filer.pb.go +++ b/weed/pb/filer_pb/filer.pb.go @@ -1481,6 +1481,7 @@ type AssignVolumeRequest struct { TtlSec int32 `protobuf:"varint,4,opt,name=ttl_sec,json=ttlSec,proto3" json:"ttl_sec,omitempty"` DataCenter string `protobuf:"bytes,5,opt,name=data_center,json=dataCenter,proto3" json:"data_center,omitempty"` ParentPath string `protobuf:"bytes,6,opt,name=parent_path,json=parentPath,proto3" json:"parent_path,omitempty"` + Rack string `protobuf:"bytes,7,opt,name=rack,proto3" json:"rack,omitempty"` } func (x *AssignVolumeRequest) Reset() { @@ -1557,6 +1558,13 @@ func (x *AssignVolumeRequest) GetParentPath() string { return "" } +func (x *AssignVolumeRequest) GetRack() string { + if x != nil { + return x.Rack + } + return "" +} + type AssignVolumeResponse struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache @@ -3251,7 +3259,7 @@ var file_filer_proto_rawDesc = []byte{ 0x65, 0x77, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x6e, 0x65, 0x77, 0x4e, 0x61, 0x6d, 0x65, 0x22, 0x1b, 0x0a, 0x19, 0x41, 0x74, 0x6f, 0x6d, 0x69, 0x63, 0x52, 0x65, 0x6e, 0x61, 0x6d, 0x65, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x52, 0x65, 0x73, 0x70, 0x6f, - 0x6e, 0x73, 0x65, 0x22, 0xc8, 0x01, 0x0a, 0x13, 0x41, 0x73, 0x73, 0x69, 0x67, 0x6e, 0x56, 0x6f, + 0x6e, 0x73, 0x65, 0x22, 0xdc, 0x01, 0x0a, 0x13, 0x41, 0x73, 0x73, 0x69, 0x67, 0x6e, 0x56, 0x6f, 0x6c, 0x75, 0x6d, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x14, 0x0a, 0x05, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 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0x65, 0x65, 0x64, 0x2f, 0x70, 0x62, 0x2f, 0x66, 0x69, + 0x6c, 0x65, 0x72, 0x5f, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33, } var ( diff --git a/weed/server/filer_grpc_server.go b/weed/server/filer_grpc_server.go index fefc231b3..d6dddf911 100644 --- a/weed/server/filer_grpc_server.go +++ b/weed/server/filer_grpc_server.go @@ -257,12 +257,7 @@ func (fs *FilerServer) cleanupChunks(existingEntry *filer.Entry, newEntry *filer garbage = append(garbage, coveredChunks...) if newEntry.Attributes != nil { - chunks, err = filer.MaybeManifestize(fs.saveAsChunk( - newEntry.Attributes.Replication, - newEntry.Attributes.Collection, - "", - needle.SecondsToTTL(newEntry.Attributes.TtlSec), - false), chunks) + chunks, err = filer.MaybeManifestize(fs.saveAsChunk(newEntry.Attributes.Replication, newEntry.Attributes.Collection, "", "", needle.SecondsToTTL(newEntry.Attributes.TtlSec), false), chunks) if err != nil { // not good, but should be ok glog.V(0).Infof("MaybeManifestize: %v", err) @@ -303,12 +298,7 @@ func (fs *FilerServer) AppendToEntry(ctx context.Context, req *filer_pb.AppendTo entry.Chunks = append(entry.Chunks, req.Chunks...) - entry.Chunks, err = filer.MaybeManifestize(fs.saveAsChunk( - entry.Replication, - entry.Collection, - "", - needle.SecondsToTTL(entry.TtlSec), - false), entry.Chunks) + entry.Chunks, err = filer.MaybeManifestize(fs.saveAsChunk(entry.Replication, entry.Collection, "", "", needle.SecondsToTTL(entry.TtlSec), false), entry.Chunks) if err != nil { // not good, but should be ok glog.V(0).Infof("MaybeManifestize: %v", err) @@ -345,6 +335,10 @@ func (fs *FilerServer) AssignVolume(ctx context.Context, req *filer_pb.AssignVol if dataCenter == "" { dataCenter = fs.option.DataCenter } + rack := req.Rack + if rack == "" { + rack = fs.option.Rack + } assignRequest := &operation.VolumeAssignRequest{ Count: uint64(req.Count), @@ -352,14 +346,16 @@ func (fs *FilerServer) AssignVolume(ctx context.Context, req *filer_pb.AssignVol Collection: collection, Ttl: ttlStr, DataCenter: dataCenter, + Rack: rack, } - if dataCenter != "" { + if dataCenter != "" || rack != "" { altRequest = &operation.VolumeAssignRequest{ Count: uint64(req.Count), Replication: replication, Collection: collection, Ttl: ttlStr, DataCenter: "", + Rack: "", } } assignResult, err := operation.Assign(fs.filer.GetMaster(), fs.grpcDialOption, assignRequest, altRequest) diff --git a/weed/server/filer_server.go b/weed/server/filer_server.go index 59c149cef..065bb3251 100644 --- a/weed/server/filer_server.go +++ b/weed/server/filer_server.go @@ -3,12 +3,13 @@ package weed_server import ( "context" "fmt" - "github.com/chrislusf/seaweedfs/weed/stats" "net/http" "os" "sync" "time" + "github.com/chrislusf/seaweedfs/weed/stats" + "google.golang.org/grpc" "github.com/chrislusf/seaweedfs/weed/util/grace" @@ -47,6 +48,7 @@ type FilerOption struct { MaxMB int DirListingLimit int DataCenter string + Rack string DefaultLevelDbDir string DisableHttp bool Host string diff --git a/weed/server/filer_server_handlers_write.go b/weed/server/filer_server_handlers_write.go index 584ab9823..267b8752d 100644 --- a/weed/server/filer_server_handlers_write.go +++ b/weed/server/filer_server_handlers_write.go @@ -29,7 +29,7 @@ type FilerPostResult struct { Url string `json:"url,omitempty"` } -func (fs *FilerServer) assignNewFileInfo(replication, collection, dataCenter, ttlString string, fsync bool) (fileId, urlLocation string, auth security.EncodedJwt, err error) { +func (fs *FilerServer) assignNewFileInfo(replication, collection, dataCenter, rack, ttlString string, fsync bool) (fileId, urlLocation string, auth security.EncodedJwt, err error) { stats.FilerRequestCounter.WithLabelValues("assign").Inc() start := time.Now() @@ -43,13 +43,14 @@ func (fs *FilerServer) assignNewFileInfo(replication, collection, dataCenter, tt DataCenter: dataCenter, } var altRequest *operation.VolumeAssignRequest - if dataCenter != "" { + if dataCenter != "" || rack != "" { altRequest = &operation.VolumeAssignRequest{ Count: 1, Replication: replication, Collection: collection, Ttl: ttlString, DataCenter: "", + Rack: "", } } @@ -78,6 +79,10 @@ func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request) { if dataCenter == "" { dataCenter = fs.option.DataCenter } + rack := query.Get("rack") + if dataCenter == "" { + rack = fs.option.Rack + } ttlString := r.URL.Query().Get("ttl") // read ttl in seconds @@ -87,7 +92,7 @@ func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request) { ttlSeconds = int32(ttl.Minutes()) * 60 } - fs.autoChunk(ctx, w, r, replication, collection, dataCenter, ttlSeconds, ttlString, fsync) + fs.autoChunk(ctx, w, r, replication, collection, dataCenter, rack, ttlSeconds, ttlString, fsync) } diff --git a/weed/server/filer_server_handlers_write_autochunk.go b/weed/server/filer_server_handlers_write_autochunk.go index 2b37e3c5d..d86d49b2a 100644 --- a/weed/server/filer_server_handlers_write_autochunk.go +++ b/weed/server/filer_server_handlers_write_autochunk.go @@ -23,8 +23,7 @@ import ( "github.com/chrislusf/seaweedfs/weed/util" ) -func (fs *FilerServer) autoChunk(ctx context.Context, w http.ResponseWriter, r *http.Request, - replication string, collection string, dataCenter string, ttlSec int32, ttlString string, fsync bool) { +func (fs *FilerServer) autoChunk(ctx context.Context, w http.ResponseWriter, r *http.Request, replication string, collection string, dataCenter string, rack string, ttlSec int32, ttlString string, fsync bool) { // autoChunking can be set at the command-line level or as a query param. Query param overrides command-line query := r.URL.Query() @@ -50,10 +49,10 @@ func (fs *FilerServer) autoChunk(ctx context.Context, w http.ResponseWriter, r * if r.Header.Get("Content-Type") == "" && strings.HasSuffix(r.URL.Path, "/") { reply, err = fs.mkdir(ctx, w, r) } else { - reply, md5bytes, err = fs.doPostAutoChunk(ctx, w, r, chunkSize, replication, collection, dataCenter, ttlSec, ttlString, fsync) + reply, md5bytes, err = fs.doPostAutoChunk(ctx, w, r, chunkSize, replication, collection, dataCenter, rack, ttlSec, ttlString, fsync) } } else { - reply, md5bytes, err = fs.doPutAutoChunk(ctx, w, r, chunkSize, replication, collection, dataCenter, ttlSec, ttlString, fsync) + reply, md5bytes, err = fs.doPutAutoChunk(ctx, w, r, chunkSize, replication, collection, dataCenter, rack, ttlSec, ttlString, fsync) } if err != nil { writeJsonError(w, r, http.StatusInternalServerError, err) @@ -65,7 +64,7 @@ func (fs *FilerServer) autoChunk(ctx context.Context, w http.ResponseWriter, r * } } -func (fs *FilerServer) doPostAutoChunk(ctx context.Context, w http.ResponseWriter, r *http.Request, chunkSize int32, replication string, collection string, dataCenter string, ttlSec int32, ttlString string, fsync bool) (filerResult *FilerPostResult, md5bytes []byte, replyerr error) { +func (fs *FilerServer) doPostAutoChunk(ctx context.Context, w http.ResponseWriter, r *http.Request, chunkSize int32, replication string, collection string, dataCenter string, rack string, ttlSec int32, ttlString string, fsync bool) (filerResult *FilerPostResult, md5bytes []byte, replyerr error) { multipartReader, multipartReaderErr := r.MultipartReader() if multipartReaderErr != nil { @@ -86,12 +85,12 @@ func (fs *FilerServer) doPostAutoChunk(ctx context.Context, w http.ResponseWrite contentType = "" } - fileChunks, md5Hash, chunkOffset, err := fs.uploadReaderToChunks(w, r, part1, chunkSize, replication, collection, dataCenter, ttlString, fileName, contentType, fsync) + fileChunks, md5Hash, chunkOffset, err := fs.uploadReaderToChunks(w, r, part1, chunkSize, replication, collection, dataCenter, rack, ttlString, fileName, contentType, fsync) if err != nil { return nil, nil, err } - fileChunks, replyerr = filer.MaybeManifestize(fs.saveAsChunk(replication, collection, dataCenter, ttlString, fsync), fileChunks) + fileChunks, replyerr = filer.MaybeManifestize(fs.saveAsChunk(replication, collection, dataCenter, rack, ttlString, fsync), fileChunks) if replyerr != nil { glog.V(0).Infof("manifestize %s: %v", r.RequestURI, replyerr) return @@ -103,17 +102,17 @@ func (fs *FilerServer) doPostAutoChunk(ctx context.Context, w http.ResponseWrite return } -func (fs *FilerServer) doPutAutoChunk(ctx context.Context, w http.ResponseWriter, r *http.Request, chunkSize int32, replication string, collection string, dataCenter string, ttlSec int32, ttlString string, fsync bool) (filerResult *FilerPostResult, md5bytes []byte, replyerr error) { +func (fs *FilerServer) doPutAutoChunk(ctx context.Context, w http.ResponseWriter, r *http.Request, chunkSize int32, replication string, collection string, dataCenter string, rack string, ttlSec int32, ttlString string, fsync bool) (filerResult *FilerPostResult, md5bytes []byte, replyerr error) { fileName := "" contentType := "" - fileChunks, md5Hash, chunkOffset, err := fs.uploadReaderToChunks(w, r, r.Body, chunkSize, replication, collection, dataCenter, ttlString, fileName, contentType, fsync) + fileChunks, md5Hash, chunkOffset, err := fs.uploadReaderToChunks(w, r, r.Body, chunkSize, replication, collection, dataCenter, rack, ttlString, fileName, contentType, fsync) if err != nil { return nil, nil, err } - fileChunks, replyerr = filer.MaybeManifestize(fs.saveAsChunk(replication, collection, dataCenter, ttlString, fsync), fileChunks) + fileChunks, replyerr = filer.MaybeManifestize(fs.saveAsChunk(replication, collection, dataCenter, rack, ttlString, fsync), fileChunks) if replyerr != nil { glog.V(0).Infof("manifestize %s: %v", r.RequestURI, replyerr) return @@ -186,7 +185,7 @@ func (fs *FilerServer) saveMetaData(ctx context.Context, r *http.Request, fileNa return filerResult, replyerr } -func (fs *FilerServer) uploadReaderToChunks(w http.ResponseWriter, r *http.Request, reader io.Reader, chunkSize int32, replication string, collection string, dataCenter string, ttlString string, fileName string, contentType string, fsync bool) ([]*filer_pb.FileChunk, hash.Hash, int64, error) { +func (fs *FilerServer) uploadReaderToChunks(w http.ResponseWriter, r *http.Request, reader io.Reader, chunkSize int32, replication string, collection string, dataCenter string, rack string, ttlString string, fileName string, contentType string, fsync bool) ([]*filer_pb.FileChunk, hash.Hash, int64, error) { var fileChunks []*filer_pb.FileChunk md5Hash := md5.New() @@ -198,7 +197,7 @@ func (fs *FilerServer) uploadReaderToChunks(w http.ResponseWriter, r *http.Reque limitedReader := io.LimitReader(partReader, int64(chunkSize)) // assign one file id for one chunk - fileId, urlLocation, auth, assignErr := fs.assignNewFileInfo(replication, collection, dataCenter, ttlString, fsync) + fileId, urlLocation, auth, assignErr := fs.assignNewFileInfo(replication, collection, dataCenter, rack, ttlString, fsync) if assignErr != nil { return nil, nil, 0, assignErr } @@ -242,11 +241,11 @@ func (fs *FilerServer) doUpload(urlLocation string, w http.ResponseWriter, r *ht return uploadResult, err } -func (fs *FilerServer) saveAsChunk(replication string, collection string, dataCenter string, ttlString string, fsync bool) filer.SaveDataAsChunkFunctionType { +func (fs *FilerServer) saveAsChunk(replication string, collection string, dataCenter string, rack string, ttlString string, fsync bool) filer.SaveDataAsChunkFunctionType { return func(reader io.Reader, name string, offset int64) (*filer_pb.FileChunk, string, string, error) { // assign one file id for one chunk - fileId, urlLocation, auth, assignErr := fs.assignNewFileInfo(replication, collection, dataCenter, ttlString, fsync) + fileId, urlLocation, auth, assignErr := fs.assignNewFileInfo(replication, collection, dataCenter, rack, ttlString, fsync) if assignErr != nil { return nil, "", "", assignErr } diff --git a/weed/server/filer_server_handlers_write_cipher.go b/weed/server/filer_server_handlers_write_cipher.go index 60082a8d4..720d97027 100644 --- a/weed/server/filer_server_handlers_write_cipher.go +++ b/weed/server/filer_server_handlers_write_cipher.go @@ -16,10 +16,9 @@ import ( ) // handling single chunk POST or PUT upload -func (fs *FilerServer) encrypt(ctx context.Context, w http.ResponseWriter, r *http.Request, - replication string, collection string, dataCenter string, ttlSeconds int32, ttlString string, fsync bool) (filerResult *FilerPostResult, err error) { +func (fs *FilerServer) encrypt(ctx context.Context, w http.ResponseWriter, r *http.Request, replication string, collection string, dataCenter string, rack string, ttlSeconds int32, ttlString string, fsync bool) (filerResult *FilerPostResult, err error) { - fileId, urlLocation, auth, err := fs.assignNewFileInfo(replication, collection, dataCenter, ttlString, fsync) + fileId, urlLocation, auth, err := fs.assignNewFileInfo(replication, collection, dataCenter, rack, ttlString, fsync) if err != nil || fileId == "" || urlLocation == "" { return nil, fmt.Errorf("fail to allocate volume for %s, collection:%s, datacenter:%s", r.URL.Path, collection, dataCenter) From 3ac77dcc7c11ed72f46a1597105593298e59c5ee Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Tue, 20 Oct 2020 18:23:22 -0700 Subject: [PATCH 06/15] Update README.md --- README.md | 22 +++++----------------- 1 file changed, 5 insertions(+), 17 deletions(-) diff --git a/README.md b/README.md index 1cf0475f7..4d5a8a80d 100644 --- a/README.md +++ b/README.md @@ -463,30 +463,18 @@ https://golang.org/doc/install make sure you set up your $GOPATH -Step 2: also you may need to install Mercurial by following the instructions at: - -http://mercurial.selenic.com/downloads - +Step 2: checkout this repo: +```bash +git clone https://github.com/chrislusf/seaweedfs.git +``` Step 3: download, compile, and install the project by executing the following command ```bash -go get github.com/chrislusf/seaweedfs/weed +make install ``` Once this is done, you will find the executable "weed" in your `$GOPATH/bin` directory -Note: -* If you got into this problem, try to `rm -Rf $GOPATH/src/go.etcd.io/etcd/vendor/golang.org/x/net/trace` and build again. -``` -panic: /debug/requests is already registered. You may have two independent copies of golang.org/x/net/trace in your binary, trying to maintain separate state. This may involve a vendored copy of golang.org/x/net/trace. -``` - -Step 4: after you modify your code locally, you could start a local build by calling `go install` under - -``` -$GOPATH/src/github.com/chrislusf/seaweedfs/weed -``` - [Back to TOC](#table-of-contents) ## Disk Related Topics ## From 6e8c2bfdd03f46638e7f774adde00451eb35ce6d Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Tue, 20 Oct 2020 18:24:03 -0700 Subject: [PATCH 07/15] fix README and makefile fix https://github.com/chrislusf/seaweedfs/issues/1548 --- Makefile | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Makefile b/Makefile index 830e3ca76..9a62eb9fe 100644 --- a/Makefile +++ b/Makefile @@ -36,6 +36,9 @@ deps: build: deps go build $(GO_FLAGS) -ldflags "$(LDFLAGS)" -o $(BINARY) $(SOURCE_DIR) +install: deps + go install $(GO_FLAGS) -ldflags "$(LDFLAGS)" $(SOURCE_DIR) + linux: deps mkdir -p linux GOOS=linux GOARCH=amd64 go build $(GO_FLAGS) -ldflags "$(LDFLAGS)" -o linux/$(BINARY) $(SOURCE_DIR) From 59c6422777d8a6703865c8654eb215140cebd29b Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Tue, 20 Oct 2020 22:53:58 -0700 Subject: [PATCH 08/15] a better byte buffer pool --- go.mod | 1 + go.sum | 2 ++ weed/operation/upload_content.go | 8 ++++++-- 3 files changed, 9 insertions(+), 2 deletions(-) diff --git a/go.mod b/go.mod index 2a65d47a1..a6af75ff4 100644 --- a/go.mod +++ b/go.mod @@ -70,6 +70,7 @@ require ( github.com/syndtr/goleveldb v1.0.0 github.com/tidwall/gjson v1.3.2 github.com/tidwall/match v1.0.1 + github.com/valyala/bytebufferpool v1.0.0 github.com/willf/bitset v1.1.10 // indirect github.com/willf/bloom v2.0.3+incompatible github.com/wsxiaoys/terminal v0.0.0-20160513160801-0940f3fc43a0 // indirect diff --git a/go.sum b/go.sum index ce8ff4a8c..dcc4b772a 100644 --- a/go.sum +++ b/go.sum @@ -508,6 +508,8 @@ github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1 github.com/ugorji/go v1.1.4 h1:j4s+tAvLfL3bZyefP2SEWmhBzmuIlH/eqNuPdFPgngw= github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc= github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA= +github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw= +github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc= github.com/willf/bitset v1.1.10 h1:NotGKqX0KwQ72NUzqrjZq5ipPNDQex9lo3WpaS8L2sc= github.com/willf/bitset v1.1.10/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4= github.com/willf/bloom v2.0.3+incompatible h1:QDacWdqcAUI1MPOwIQZRy9kOR7yxfyEmxX8Wdm2/JPA= diff --git a/weed/operation/upload_content.go b/weed/operation/upload_content.go index e9002d09d..11a6df7c1 100644 --- a/weed/operation/upload_content.go +++ b/weed/operation/upload_content.go @@ -19,6 +19,7 @@ import ( "github.com/chrislusf/seaweedfs/weed/pb/filer_pb" "github.com/chrislusf/seaweedfs/weed/security" "github.com/chrislusf/seaweedfs/weed/util" + "github.com/valyala/bytebufferpool" ) type UploadResult struct { @@ -76,12 +77,14 @@ func Upload(uploadUrl string, filename string, cipher bool, reader io.Reader, is } func doUpload(uploadUrl string, filename string, cipher bool, reader io.Reader, isInputCompressed bool, mtype string, pairMap map[string]string, jwt security.EncodedJwt) (uploadResult *UploadResult, err error, data []byte) { - data, err = ioutil.ReadAll(reader) + buf := bytebufferpool.Get() + defer bytebufferpool.Put(buf) + _, err = buf.ReadFrom(reader) if err != nil { err = fmt.Errorf("read input: %v", err) return } - uploadResult, uploadErr := retriedUploadData(uploadUrl, filename, cipher, data, isInputCompressed, mtype, pairMap, jwt) + uploadResult, uploadErr := retriedUploadData(uploadUrl, filename, cipher, buf.Bytes(), isInputCompressed, mtype, pairMap, jwt) return uploadResult, uploadErr, data } @@ -179,6 +182,7 @@ func doUploadData(uploadUrl string, filename string, cipher bool, data []byte, i } func upload_content(uploadUrl string, fillBufferFunction func(w io.Writer) error, filename string, isGzipped bool, originalDataSize int, mtype string, pairMap map[string]string, jwt security.EncodedJwt) (*UploadResult, error) { + body_buf := bytes.NewBufferString("") body_writer := multipart.NewWriter(body_buf) h := make(textproto.MIMEHeader) From 20442dc1bc246b2f08e49ad65dbe69dcae86113e Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Tue, 20 Oct 2020 22:54:21 -0700 Subject: [PATCH 09/15] avoid extra data copying --- weed/filesys/filehandle.go | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/weed/filesys/filehandle.go b/weed/filesys/filehandle.go index 45abfcc5c..0304eebb4 100644 --- a/weed/filesys/filehandle.go +++ b/weed/filesys/filehandle.go @@ -142,8 +142,7 @@ func (fh *FileHandle) Write(ctx context.Context, req *fuse.WriteRequest, resp *f defer fh.Unlock() // write the request to volume servers - data := make([]byte, len(req.Data)) - copy(data, req.Data) + data := req.Data fh.f.entry.Attributes.FileSize = uint64(max(req.Offset+int64(len(data)), int64(fh.f.entry.Attributes.FileSize))) glog.V(4).Infof("%v write [%d,%d) %d", fh.f.fullpath(), req.Offset, req.Offset+int64(len(req.Data)), len(req.Data)) From ad652ffb97cfdf6d866352a37992ece1c1870248 Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Tue, 20 Oct 2020 22:54:34 -0700 Subject: [PATCH 10/15] avoid close closed channel --- weed/filesys/filehandle.go | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/weed/filesys/filehandle.go b/weed/filesys/filehandle.go index 0304eebb4..412d7e73f 100644 --- a/weed/filesys/filehandle.go +++ b/weed/filesys/filehandle.go @@ -185,8 +185,10 @@ func (fh *FileHandle) Release(ctx context.Context, req *fuse.ReleaseRequest) err } // stop the goroutine - fh.dirtyPages.chunkSaveErrChanClosed = true - close(fh.dirtyPages.chunkSaveErrChan) + if !fh.dirtyPages.chunkSaveErrChanClosed { + fh.dirtyPages.chunkSaveErrChanClosed = true + close(fh.dirtyPages.chunkSaveErrChan) + } return nil } From f64252023ee882264ea1b220afbdf0321e26a56b Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Tue, 20 Oct 2020 23:21:54 -0700 Subject: [PATCH 11/15] Revert "a better byte buffer pool" This reverts commit 59c6422777d8a6703865c8654eb215140cebd29b. --- go.mod | 1 - go.sum | 2 -- weed/operation/upload_content.go | 8 ++------ 3 files changed, 2 insertions(+), 9 deletions(-) diff --git a/go.mod b/go.mod index a6af75ff4..2a65d47a1 100644 --- a/go.mod +++ b/go.mod @@ -70,7 +70,6 @@ require ( github.com/syndtr/goleveldb v1.0.0 github.com/tidwall/gjson v1.3.2 github.com/tidwall/match v1.0.1 - github.com/valyala/bytebufferpool v1.0.0 github.com/willf/bitset v1.1.10 // indirect github.com/willf/bloom v2.0.3+incompatible github.com/wsxiaoys/terminal v0.0.0-20160513160801-0940f3fc43a0 // indirect diff --git a/go.sum b/go.sum index dcc4b772a..ce8ff4a8c 100644 --- a/go.sum +++ b/go.sum @@ -508,8 +508,6 @@ github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1 github.com/ugorji/go v1.1.4 h1:j4s+tAvLfL3bZyefP2SEWmhBzmuIlH/eqNuPdFPgngw= github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc= github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA= -github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw= -github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc= github.com/willf/bitset v1.1.10 h1:NotGKqX0KwQ72NUzqrjZq5ipPNDQex9lo3WpaS8L2sc= github.com/willf/bitset v1.1.10/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4= github.com/willf/bloom v2.0.3+incompatible h1:QDacWdqcAUI1MPOwIQZRy9kOR7yxfyEmxX8Wdm2/JPA= diff --git a/weed/operation/upload_content.go b/weed/operation/upload_content.go index 11a6df7c1..e9002d09d 100644 --- a/weed/operation/upload_content.go +++ b/weed/operation/upload_content.go @@ -19,7 +19,6 @@ import ( "github.com/chrislusf/seaweedfs/weed/pb/filer_pb" "github.com/chrislusf/seaweedfs/weed/security" "github.com/chrislusf/seaweedfs/weed/util" - "github.com/valyala/bytebufferpool" ) type UploadResult struct { @@ -77,14 +76,12 @@ func Upload(uploadUrl string, filename string, cipher bool, reader io.Reader, is } func doUpload(uploadUrl string, filename string, cipher bool, reader io.Reader, isInputCompressed bool, mtype string, pairMap map[string]string, jwt security.EncodedJwt) (uploadResult *UploadResult, err error, data []byte) { - buf := bytebufferpool.Get() - defer bytebufferpool.Put(buf) - _, err = buf.ReadFrom(reader) + data, err = ioutil.ReadAll(reader) if err != nil { err = fmt.Errorf("read input: %v", err) return } - uploadResult, uploadErr := retriedUploadData(uploadUrl, filename, cipher, buf.Bytes(), isInputCompressed, mtype, pairMap, jwt) + uploadResult, uploadErr := retriedUploadData(uploadUrl, filename, cipher, data, isInputCompressed, mtype, pairMap, jwt) return uploadResult, uploadErr, data } @@ -182,7 +179,6 @@ func doUploadData(uploadUrl string, filename string, cipher bool, data []byte, i } func upload_content(uploadUrl string, fillBufferFunction func(w io.Writer) error, filename string, isGzipped bool, originalDataSize int, mtype string, pairMap map[string]string, jwt security.EncodedJwt) (*UploadResult, error) { - body_buf := bytes.NewBufferString("") body_writer := multipart.NewWriter(body_buf) h := make(textproto.MIMEHeader) From c31b2542489ea4cddffbf1efedbdb867fb6cdb2f Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Tue, 20 Oct 2020 23:48:29 -0700 Subject: [PATCH 12/15] mount: shortcut when there is only one chunk --- weed/filesys/dirty_page_interval.go | 7 ++++++- weed/operation/upload_content.go | 13 +++++++++---- weed/util/bytes.go | 13 +++++++++++++ 3 files changed, 28 insertions(+), 5 deletions(-) diff --git a/weed/filesys/dirty_page_interval.go b/weed/filesys/dirty_page_interval.go index afa2755ed..f143fe3e4 100644 --- a/weed/filesys/dirty_page_interval.go +++ b/weed/filesys/dirty_page_interval.go @@ -3,6 +3,8 @@ package filesys import ( "bytes" "io" + + "github.com/chrislusf/seaweedfs/weed/util" ) type IntervalNode struct { @@ -200,10 +202,13 @@ func (c *ContinuousIntervals) ReadDataAt(data []byte, startOffset int64) (maxSto func (l *IntervalLinkedList) ToReader() io.Reader { var readers []io.Reader t := l.Head - readers = append(readers, bytes.NewReader(t.Data)) + readers = append(readers, util.NewBytesReader(t.Data)) for t.Next != nil { t = t.Next readers = append(readers, bytes.NewReader(t.Data)) } + if len(readers) == 1 { + return readers[0] + } return io.MultiReader(readers...) } diff --git a/weed/operation/upload_content.go b/weed/operation/upload_content.go index e9002d09d..9eb05f6e1 100644 --- a/weed/operation/upload_content.go +++ b/weed/operation/upload_content.go @@ -76,10 +76,15 @@ func Upload(uploadUrl string, filename string, cipher bool, reader io.Reader, is } func doUpload(uploadUrl string, filename string, cipher bool, reader io.Reader, isInputCompressed bool, mtype string, pairMap map[string]string, jwt security.EncodedJwt) (uploadResult *UploadResult, err error, data []byte) { - data, err = ioutil.ReadAll(reader) - if err != nil { - err = fmt.Errorf("read input: %v", err) - return + bytesReader, ok := reader.(*util.BytesReader) + if ok { + data = bytesReader.Bytes + } else { + data, err = ioutil.ReadAll(reader) + if err != nil { + err = fmt.Errorf("read input: %v", err) + return + } } uploadResult, uploadErr := retriedUploadData(uploadUrl, filename, cipher, data, isInputCompressed, mtype, pairMap, jwt) return uploadResult, uploadErr, data diff --git a/weed/util/bytes.go b/weed/util/bytes.go index 67e6876fa..c2a4df108 100644 --- a/weed/util/bytes.go +++ b/weed/util/bytes.go @@ -1,6 +1,7 @@ package util import ( + "bytes" "crypto/md5" "crypto/rand" "encoding/base64" @@ -148,3 +149,15 @@ func RandomBytes(byteCount int) []byte { rand.Read(buf) return buf } + +type BytesReader struct { + Bytes []byte + *bytes.Reader +} + +func NewBytesReader(b []byte) *BytesReader { + return &BytesReader{ + Bytes: b, + Reader: bytes.NewReader(b), + } +} From 3bf0116de1525517c82854de15d8dc3a0b59817b Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Wed, 21 Oct 2020 02:16:21 -0700 Subject: [PATCH 13/15] mount: less channel waiting --- weed/filesys/dirty_page.go | 25 +++++++++++++++++++----- weed/filesys/filehandle.go | 14 +++---------- weed/util/limiter.go | 40 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 63 insertions(+), 16 deletions(-) create mode 100644 weed/util/limiter.go diff --git a/weed/filesys/dirty_page.go b/weed/filesys/dirty_page.go index a200050c4..9080b2aef 100644 --- a/weed/filesys/dirty_page.go +++ b/weed/filesys/dirty_page.go @@ -2,11 +2,17 @@ package filesys import ( "bytes" - "github.com/chrislusf/seaweedfs/weed/glog" - "github.com/chrislusf/seaweedfs/weed/pb/filer_pb" "io" + "runtime" "sync" "time" + + "github.com/chrislusf/seaweedfs/weed/glog" + "github.com/chrislusf/seaweedfs/weed/pb/filer_pb" +) + +var ( + concurrentWriterLimit = runtime.NumCPU() ) type ContinuousDirtyPages struct { @@ -15,17 +21,26 @@ type ContinuousDirtyPages struct { writeWaitGroup sync.WaitGroup chunkSaveErrChan chan error chunkSaveErrChanClosed bool + lastErr error lock sync.Mutex collection string replication string } func newDirtyPages(file *File) *ContinuousDirtyPages { - return &ContinuousDirtyPages{ + dirtyPages := &ContinuousDirtyPages{ intervals: &ContinuousIntervals{}, f: file, - chunkSaveErrChan: make(chan error, 8), + chunkSaveErrChan: make(chan error, concurrentWriterLimit), } + go func() { + for t := range dirtyPages.chunkSaveErrChan { + if t != nil { + dirtyPages.lastErr = t + } + } + }() + return dirtyPages } func (pages *ContinuousDirtyPages) AddPage(offset int64, data []byte) { @@ -105,7 +120,7 @@ func (pages *ContinuousDirtyPages) saveToStorage(reader io.Reader, offset int64, chunk.Mtime = mtime pages.collection, pages.replication = collection, replication pages.f.addChunks([]*filer_pb.FileChunk{chunk}) - pages.chunkSaveErrChan <- nil + glog.V(0).Infof("%s saveToStorage [%d,%d)", pages.f.fullpath(), offset, offset+size) }() } diff --git a/weed/filesys/filehandle.go b/weed/filesys/filehandle.go index 412d7e73f..e3163117c 100644 --- a/weed/filesys/filehandle.go +++ b/weed/filesys/filehandle.go @@ -208,25 +208,17 @@ func (fh *FileHandle) doFlush(ctx context.Context, header fuse.Header) error { fh.dirtyPages.saveExistingPagesToStorage() - var err error - go func() { - for t := range fh.dirtyPages.chunkSaveErrChan { - if t != nil { - err = t - } - } - }() fh.dirtyPages.writeWaitGroup.Wait() - if err != nil { - return err + if fh.dirtyPages.lastErr != nil { + return fh.dirtyPages.lastErr } if !fh.f.dirtyMetadata { return nil } - err = fh.f.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error { + err := fh.f.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error { if fh.f.entry.Attributes != nil { fh.f.entry.Attributes.Mime = fh.contentType diff --git a/weed/util/limiter.go b/weed/util/limiter.go new file mode 100644 index 000000000..91499632c --- /dev/null +++ b/weed/util/limiter.go @@ -0,0 +1,40 @@ +package util + +// initial version comes from https://github.com/korovkin/limiter/blob/master/limiter.go + +// LimitedConcurrentExecutor object +type LimitedConcurrentExecutor struct { + limit int + tokenChan chan int +} + +func NewLimitedConcurrentExecutor(limit int) *LimitedConcurrentExecutor { + + // allocate a limiter instance + c := &LimitedConcurrentExecutor{ + limit: limit, + tokenChan: make(chan int, limit), + } + + // allocate the tokenChan: + for i := 0; i < c.limit; i++ { + c.tokenChan <- i + } + + return c +} + +// Execute adds a function to the execution queue. +// if num of go routines allocated by this instance is < limit +// launch a new go routine to execute job +// else wait until a go routine becomes available +func (c *LimitedConcurrentExecutor) Execute(job func()) { + token := <-c.tokenChan + go func() { + defer func() { + c.tokenChan <- token + }() + // run the job + job() + }() +} From d90e7ee3cc5dea1e78088869f74cfd1ea0109d7d Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Wed, 21 Oct 2020 02:17:40 -0700 Subject: [PATCH 14/15] adjust log level --- weed/filesys/dirty_page.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/weed/filesys/dirty_page.go b/weed/filesys/dirty_page.go index 9080b2aef..9c059aae0 100644 --- a/weed/filesys/dirty_page.go +++ b/weed/filesys/dirty_page.go @@ -120,7 +120,7 @@ func (pages *ContinuousDirtyPages) saveToStorage(reader io.Reader, offset int64, chunk.Mtime = mtime pages.collection, pages.replication = collection, replication pages.f.addChunks([]*filer_pb.FileChunk{chunk}) - glog.V(0).Infof("%s saveToStorage [%d,%d)", pages.f.fullpath(), offset, offset+size) + glog.V(3).Infof("%s saveToStorage [%d,%d)", pages.f.fullpath(), offset, offset+size) }() } From 81cf8d04dfcbb84093044de4f10a8a92d9c8bd1c Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Wed, 21 Oct 2020 02:42:23 -0700 Subject: [PATCH 15/15] minor --- weed/filesys/dirty_page.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/weed/filesys/dirty_page.go b/weed/filesys/dirty_page.go index 9c059aae0..7a3e859f5 100644 --- a/weed/filesys/dirty_page.go +++ b/weed/filesys/dirty_page.go @@ -99,7 +99,7 @@ func (pages *ContinuousDirtyPages) saveExistingLargestPageToStorage() (hasSavedD func (pages *ContinuousDirtyPages) saveToStorage(reader io.Reader, offset int64, size int64) { if pages.chunkSaveErrChanClosed { - pages.chunkSaveErrChan = make(chan error, 8) + pages.chunkSaveErrChan = make(chan error, concurrentWriterLimit) pages.chunkSaveErrChanClosed = false }