Tsz Wo Nicholas Sze created HADOOP-10778:
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Summary: 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
>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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