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https://issues.apache.org/jira/browse/HADOOP-10838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14066735#comment-14066735
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James Thomas commented on HADOOP-10838:
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Also just performed the same analysis for only this change (excluding the patch
in HDFS-6561) and got a 11% CPU cycle improvement and a 3% wall clock
improvement.
> Byte array native checksumming
> ------------------------------
>
> Key: HADOOP-10838
> URL: https://issues.apache.org/jira/browse/HADOOP-10838
> Project: Hadoop Common
> Issue Type: Improvement
> Components: performance
> Reporter: James Thomas
> Assignee: James Thomas
> Attachments: HADOOP-10838.2.patch, HADOOP-10838.3.patch,
> HADOOP-10838.patch, HDFS-3528.patch, HDFS-6560.patch
>
>
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