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https://issues.apache.org/jira/browse/HADOOP-19105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HADOOP-19105:
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Labels: pull-request-available (was: )
> S3A: Recover from Vector IO read failures
> -----------------------------------------
>
> Key: HADOOP-19105
> URL: https://issues.apache.org/jira/browse/HADOOP-19105
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.4.0, 3.3.6
> Environment: This keeps the public API stable
> Reporter: Steve Loughran
> Priority: Major
> Labels: pull-request-available
>
> s3a vector IO doesn't try to recover from read failures the way read() does.
> Need to
> * abort HTTP stream if considered needed
> * retry active read which failed
> * but not those which had succeeded
> On a full failure we need to do something about any allocated buffer, which
> means we really need the buffer pool {{ByteBufferPool}} to return or also
> provide a "release" (Bytebuffer -> void) call which does the return. we
> would need to
> * add this as a new api with the implementations in s3a, local, rawlocal
> * classic single allocator method remaps to the new one with (() -> null) as
> the response
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