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https://issues.apache.org/jira/browse/HDFS-496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12734121#action_12734121
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dhruba borthakur commented on HDFS-496:
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For the records. the PureJavaCrc32 computes the same CRC value as the current
one. So, this patch doe snot change HDFS data format. Can you pl link this with
the one in the common project, because that JIRA has the performance numbers.
> Use PureJavaCrc32 in HDFS
> -------------------------
>
> Key: HDFS-496
> URL: https://issues.apache.org/jira/browse/HDFS-496
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Minor
> Attachments: hdfs-496.txt
>
>
> Common now has a pure java CRC32 implementation which is more efficient than
> java.util.zip.CRC32. This issue is to make use of it.
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