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mount: file handler release memory

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This commit is contained in:
chrislu 2022-07-07 11:49:40 -07:00
parent 69ef6459c3
commit 05c53820b9
2 changed files with 11 additions and 4 deletions
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11
weed/mount/filehandle.go
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@ -6,7 +6,6 @@ import (
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
"golang.org/x/exp/slices"
"io"
"sync"
)
@ -24,7 +23,7 @@ type FileHandle struct {
dirtyMetadata bool
dirtyPages *PageWriter
entryViewCache []filer.VisibleInterval
reader io.ReaderAt
reader *filer.ChunkReadAt
contentType string
handle uint64
sync.Mutex
@ -99,8 +98,16 @@ func (fh *FileHandle) AddChunks(chunks []*filer_pb.FileChunk) {
fh.entryViewCache = nil
}
func (fh *FileHandle) SetReader(reader *filer.ChunkReadAt) {
if fh.reader != nil {
fh.reader.Close()
}
fh.reader = reader
}
func (fh *FileHandle) Release() {
fh.dirtyPages.Destroy()
fh.SetReader(nil)
}
func lessThan(a, b *filer_pb.FileChunk) bool {

4
weed/mount/filehandle_read.go
View file

@ -62,7 +62,7 @@ func (fh *FileHandle) readFromChunks(buff []byte, offset int64) (int64, error) {
if chunkResolveErr != nil {
return 0, fmt.Errorf("fail to resolve chunk manifest: %v", chunkResolveErr)
}
fh.reader = nil
fh.SetReader(nil)
}
reader := fh.reader
@ -74,7 +74,7 @@ func (fh *FileHandle) readFromChunks(buff []byte, offset int64) (int64, error) {
}
reader = filer.NewChunkReaderAtFromClient(fh.wfs.LookupFn(), chunkViews, fh.wfs.chunkCache, fileSize)
}
fh.reader = reader
fh.SetReader(reader)
totalRead, err := reader.ReadAt(buff, offset)