async file chunk deletion

weed/filesys/wfs_deletion.go

@@ -0,0 +1,46 @@
+package filesys
+
+import (
+	"context"
+	"time"
+
+	"github.com/chrislusf/seaweedfs/weed/glog"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+)
+
+func (wfs *WFS) loopProcessingDeletion() {
+
+	ticker := time.NewTicker(2 * time.Second)
+
+	wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
+		var fileIds []string
+		for {
+			select {
+			case fids := <-wfs.fileIdsDeletionChan:
+				fileIds = append(fileIds, fids...)
+				if len(fileIds) >= 256 {
+					glog.V(1).Infof("deleting fileIds len=%d", len(fileIds))
+					deleteFileIds(context.Background(), client, fileIds)
+					fileIds = fileIds[:0]
+				}
+			case <-ticker.C:
+				if len(fileIds) > 0 {
+					glog.V(1).Infof("timed deletion fileIds len=%d", len(fileIds))
+					deleteFileIds(context.Background(), client, fileIds)
+					fileIds = fileIds[:0]
+				}
+			}
+		}
+	})
+
+}
+
+func (wfs *WFS) asyncDeleteFileChunks(chunks []*filer_pb.FileChunk) {
+	if len(chunks) > 0 {
+		var fileIds []string
+		for _, chunk := range chunks {
+			fileIds = append(fileIds, chunk.FileId)
+		}
+		wfs.fileIdsDeletionChan <- fileIds
+	}
+}