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Filer: fix filer range read (#7078)

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* fix filer range read

Only return true if we're reading the ENTIRE chunk from the beginning.
	// This prevents bandwidth amplification when range requests happen to align
	// with chunk boundaries but don't actually want the full chunk.

* Update weed/filer/filechunks.go

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
This commit is contained in:
Chris Lu
2025-08-03 14:26:15 -07:00
committed by GitHub
parent 4fb7bbb215
commit 513ac58504
1 changed files with 4 additions and 1 deletions
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5
weed/filer/filechunks.go
View File

@@ -178,7 +178,10 @@ func (cv *ChunkView) Clone() IntervalValue {
}
func (cv *ChunkView) IsFullChunk() bool {
return cv.ViewSize == cv.ChunkSize
// IsFullChunk returns true if the view covers the entire chunk from the beginning.
// This prevents bandwidth amplification when range requests happen to align
// with chunk boundaries but don't actually want the full chunk.
return cv.OffsetInChunk == 0 && cv.ViewSize == cv.ChunkSize
}
func ViewFromChunks(ctx context.Context, lookupFileIdFn wdclient.LookupFileIdFunctionType, chunks []*filer_pb.FileChunk, offset int64, size int64) (chunkViews *IntervalList[*ChunkView]) {