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https://issues.apache.org/jira/browse/HADOOP-10778?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo Nicholas Sze updated HADOOP-10778:
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Status: Patch Available (was: Open)
> Use NativeCrc32 only if it is faster
> ------------------------------------
>
> Key: HADOOP-10778
> URL: https://issues.apache.org/jira/browse/HADOOP-10778
> Project: Hadoop Common
> Issue Type: Improvement
> Components: util
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Tsz Wo Nicholas Sze
> Attachments: c10778_20140702.patch
>
>
> From the branch mark post in [this
> comment|https://issues.apache.org/jira/browse/HDFS-6560?focusedCommentId=14044060&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14044060],
> NativeCrc32 is slower than java.util.zip.CRC32 for Java 7 and above when
> bytesPerChecksum > 512.
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