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mount: add back random read support

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avoid too much memory used also
This commit is contained in:
chrislu
2022-03-13 01:38:52 -08:00
parent f70c1e449b
commit 53513475bf
2 changed files with 10 additions and 1 deletions
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2
weed/filer/reader_at.go
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@@ -164,7 +164,7 @@ func (c *ChunkReadAt) doReadAt(p []byte, offset int64) (n int, err error) {
func (c *ChunkReadAt) readChunkSliceAt(buffer []byte, chunkView *ChunkView, nextChunkViews []*ChunkView, offset uint64) (n int, err error) {
if c.readerPattern.IsRandomMode() {
return c.readerCache.ReadChunkAt(buffer, chunkView.FileId, chunkView.CipherKey, chunkView.IsGzipped, int64(offset), int(chunkView.ChunkSize), chunkView.LogicOffset == 0)
return fetchChunkRange(buffer, c.readerCache.lookupFileIdFn, chunkView.FileId, chunkView.CipherKey, chunkView.IsGzipped, int64(offset))
}
n, err = c.readerCache.ReadChunkAt(buffer, chunkView.FileId, chunkView.CipherKey, chunkView.IsGzipped, int64(offset), int(chunkView.ChunkSize), chunkView.LogicOffset == 0)