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https://issues.apache.org/jira/browse/HADOOP-10838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14065887#comment-14065887
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James Thomas commented on HADOOP-10838:
---------------------------------------
Todd, did what you suggested and compared the differences between 512 MB and 1
GB puts to eliminate the impact of cluster startup/shutdown overheads. We now
see a 34% improvement in CPU cycles and a 5% improvement in wall time.
> 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.patch,
> HDFS-3528.patch, HDFS-6560.patch
>
>
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