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Implement request merging #10

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zimbatm opened this issue Aug 17, 2020 · 1 comment

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zimbatm commented Aug 17, 2020

When multiple clients access the same NAR file at the same time, we could download the file from the S3 bucket only once.

Add a concurrent lock on a per-derivation hash basis.
Associate the NAR stream to the lock.

type CachedBinaryCacheReader struct {
  Reader BinaryCacheReader
  Lock map[string]io.ReaderCloser
  Mutex sync.Mutex
}

func (r CachedBinaryCacheReader) GetFile(ctx context.Context, path string) (io.ReadCloser, error) {

}

zimbatm assigned Rizary

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stv0g commented Mar 1, 2024

Duplicate of #4?

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