gsh-digital-services/seaweedFS
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FUSE: add chunk cache for recently accessed file chunks

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This commit is contained in:
Chris Lu
2020-03-28 13:43:31 -07:00
parent 4aa82c95e6
commit 826bc0b7e3
6 changed files with 71 additions and 17 deletions
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4
weed/filesys/filehandle.go
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@@ -92,7 +92,7 @@ func (fh *FileHandle) readFromChunks(buff []byte, offset int64) (int64, error) {
if fh.f.reader == nil {
chunkViews := filer2.ViewFromVisibleIntervals(fh.f.entryViewCache, 0, math.MaxInt32)
fh.f.reader = filer2.NewChunkReaderAtFromClient(fh.f.wfs, chunkViews)
fh.f.reader = NewChunkReaderAtFromClient(fh.f.wfs, chunkViews, fh.f.wfs.chunkCache)
}
totalRead, err := fh.f.reader.ReadAt(buff, offset)
@@ -153,6 +153,8 @@ func (fh *FileHandle) Release(ctx context.Context, req *fuse.ReleaseRequest) err
fh.dirtyPages.releaseResource()
fh.f.wfs.ReleaseHandle(fh.f.fullpath(), fuse.HandleID(fh.handle))
}
fh.f.entryViewCache = nil
fh.f.reader = nil
return nil
}