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| author | Chris Lu <chris.lu@gmail.com> | 2020-08-16 16:24:40 -0700 |
|---|---|---|
| committer | Chris Lu <chris.lu@gmail.com> | 2020-08-16 16:24:40 -0700 |
| commit | ee0f92a6be74b008d521405e1c20eb49e2257754 (patch) | |
| tree | 47065fe06efdd4905822a04b244b669b03947125 /weed/filesys/filehandle.go | |
| parent | 2ba817afac1ffb2772c3efd541628b9ec70cb878 (diff) | |
| download | seaweedfs-ee0f92a6be74b008d521405e1c20eb49e2257754.tar.xz seaweedfs-ee0f92a6be74b008d521405e1c20eb49e2257754.zip | |
reduce memory allocation
Diffstat (limited to 'weed/filesys/filehandle.go')
| -rw-r--r-- | weed/filesys/filehandle.go | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/weed/filesys/filehandle.go b/weed/filesys/filehandle.go index 550aec5fb..ce4413c62 100644 --- a/weed/filesys/filehandle.go +++ b/weed/filesys/filehandle.go @@ -54,9 +54,13 @@ var _ = fs.HandleReleaser(&FileHandle{}) func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fuse.ReadResponse) error { - glog.V(5).Infof("%s read fh %d: [%d,%d)", fh.f.fullpath(), fh.handle, req.Offset, req.Offset+int64(req.Size)) + glog.V(0).Infof("%s read fh %d: [%d,%d) size %d resp.Data len=%d cap=%d", fh.f.fullpath(), fh.handle, req.Offset, req.Offset+int64(req.Size), req.Size, len(resp.Data), cap(resp.Data)) - buff := make([]byte, req.Size) + buff := resp.Data[:cap(resp.Data)] + if req.Size > cap(resp.Data) { + // should not happen + buff = make([]byte, req.Size) + } totalRead, err := fh.readFromChunks(buff, req.Offset) if err == nil { |