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Add Put input readahead (#14084)

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When reading input for PutObject or PutObjectPart add a readahead buffer for big inputs.

This will make network reads+hashing separate run async with erasure coding and writes. This will reduce overall latency in distributed setups where the input is from upstream and writes go to other servers.

We will read at 2 buffers ahead, meaning one will always be ready/waiting and one is currently being read from.

This improves PutObject and PutObjectParts for these cases.
This commit is contained in:
Klaus Post
2022-01-14 10:01:25 -08:00
committed by GitHub
parent 7aec38a73e
commit 64d4da5a37
5 changed files with 39 additions and 5 deletions
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go.mod
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@@ -40,7 +40,7 @@ require (
github.com/klauspost/compress v1.13.6
github.com/klauspost/cpuid/v2 v2.0.9
github.com/klauspost/pgzip v1.2.5
github.com/klauspost/readahead v1.3.1
github.com/klauspost/readahead v1.4.0
github.com/klauspost/reedsolomon v1.9.15
github.com/lib/pq v1.9.0
github.com/miekg/dns v1.1.43