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https://issues.apache.org/jira/browse/HDFS-2655?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suresh Srinivas updated HDFS-2655:
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Fix Version/s: 0.23.2
> BlockReaderLocal#skip performs unnecessary IO
> ---------------------------------------------
>
> Key: HDFS-2655
> URL: https://issues.apache.org/jira/browse/HDFS-2655
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 0.24.0, 0.23.1
> Reporter: Eli Collins
> Assignee: Brandon Li
> Fix For: 0.23.2
>
> Attachments: HDFS-2655.txt, HDFS-2655.txt
>
>
> Per HDFS-2654 BlockReaderLocal#skip performs the skip by reading the data so
> we stay in sync with checksums. This could be implemented more efficiently in
> the future to skip to the beginning of the appropriate checksum chunk and
> then only read to the middle of that chunk.
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