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https://issues.apache.org/jira/browse/HADOOP-19158?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18024117#comment-18024117
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ASF GitHub Bot commented on HADOOP-19158:
-----------------------------------------
steveloughran opened a new pull request, #6773:
URL: https://github.com/apache/hadoop/pull/6773
HADOOP-19158.
### How was this patch tested?
no tests; would need to move the hdfs one up to a contract test.
### For code changes:
- [X] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [ ] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
- [ ] If adding new dependencies to the code, are these dependencies
licensed in a way that is compatible for inclusion under [ASF
2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [ ] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
> S3A: Support ByteBufferPositionedReadable through vector IO
> -----------------------------------------------------------
>
> Key: HADOOP-19158
> URL: https://issues.apache.org/jira/browse/HADOOP-19158
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs, fs/s3
> Affects Versions: 3.4.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Major
> Labels: pull-request-available
>
> Make it easy for any stream with vector io to support
> {{ByteBufferPositionedReadable}}
> Specifically, {{ByteBufferPositionedReadable.readFully()}}
> is exactly a single range read so is easy to read.
> the simpler read() call which can return less isn't part of the vector API.
> Proposed: invoke the readFully() but convert an EOFException to -1
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