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https://issues.apache.org/jira/browse/HDFS-5634?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe updated HDFS-5634:
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Attachment: HDFS-5634.006.patch
* Fixed a bug introduced by converting to using skipChecksums in some places.
* Ensure that the "fast path" starts reading on a checksum boundary.
> allow BlockReaderLocal to switch between checksumming and not
> -------------------------------------------------------------
>
> Key: HDFS-5634
> URL: https://issues.apache.org/jira/browse/HDFS-5634
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Affects Versions: 3.0.0
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Attachments: HDFS-5634.001.patch, HDFS-5634.002.patch,
> HDFS-5634.003.patch, HDFS-5634.004.patch, HDFS-5634.005.patch,
> HDFS-5634.006.patch
>
>
> BlockReaderLocal should be able to switch between checksumming and
> non-checksumming, so that when we get notifications that something is mlocked
> (see HDFS-5182), we can avoid checksumming when reading from that block.
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