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fix: prevent double-close inflating zstd pool release counters #330

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Merged
EdSchouten merged 3 commits into from
Mar 12, 2026
Merged

fix: prevent double-close inflating zstd pool release counters #330

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b8f6607
fix: prevent double-close inflating zstd pool release counters
aron-muon Mar 12, 2026
6a68e25
fix: use nil guard instead of bool for double-close protection
aron-muon Mar 12, 2026
7695823
fix: use util.StatusWrap for decoder acquisition error
aron-muon Mar 12, 2026
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1 change: 0 additions & 1 deletion pkg/blobstore/grpcservers/byte_stream_server.go
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Original file line number Diff line number Diff line change
Expand Up @@ -222,7 +222,6 @@ func (s *byteStreamServer) writeZstd(stream bytestream.ByteStream_WriteServer, r
if err != nil {
return status.Errorf(codes.ResourceExhausted, "Failed to acquire ZSTD decoder: %v", err)
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}
defer zstdReader.Close()

if err := s.blobAccess.Put(
ctx,
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8 changes: 8 additions & 0 deletions pkg/zstd/metrics_pool.go
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Original file line number Diff line number Diff line change
Expand Up @@ -126,7 +126,11 @@ type metricsEncoder struct {
}

func (e *metricsEncoder) Close() error {
if e.Encoder == nil {
return nil
}
err := e.Encoder.Close()
e.Encoder = nil
e.releases.Inc()
return err
}
Expand All @@ -137,6 +141,10 @@ type metricsDecoder struct {
}

func (d *metricsDecoder) Close() {
if d.Decoder == nil {
return
}
d.Decoder.Close()
d.Decoder = nil
d.releases.Inc()
}