Use exact size, if known, to allocate decompression buffer #3048
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For large messages this generates far less garbage than ioutil.ReadAll(). Implement for gzip - RFC1952 requires it, and the Go implementation checks it already (modulo 2^32). Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
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Type: Performance
dfawley
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Sep 27, 2019
Return -1 instead of an error in the case that we can't determine a size. Use a LimitReader set to size+1 so we can detect cases like corrupt messages and overflow of the 32-bit size field. Signed-off-by: Bryan Boreham <bryan@weave.works>
Based on review feedback Signed-off-by: Bryan Boreham <bryan@weave.works>
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I pushed a couple more commits which I think cover all the review comments. |
dfawley
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Oct 3, 2019
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
dfawley
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Oct 4, 2019
It's simpler. Signed-off-by: Bryan Boreham <bryan@weave.works>
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Oct 4, 2019
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Thanks for the contribution! |
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Nov 8, 2019
This brings in some performance improvements, including grpc/grpc-go#3048 which should make a big difference when using gRPC gzip compression. Plus some updated dependencies. Signed-off-by: Bryan Boreham <bryan@weave.works>
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Fixes #2635
For large messages this generates far less garbage than
ioutil.ReadAll().Implement for gzip - RFC1952 requires it, and the Go implementation checks it already (modulo 2^32).