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https://issues.apache.org/jira/browse/HADOOP-10859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon resolved HADOOP-10859.
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Resolution: Won't Fix
No plans to work on this.
> Native implementation of java Checksum interface
> ------------------------------------------------
>
> Key: HADOOP-10859
> URL: https://issues.apache.org/jira/browse/HADOOP-10859
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Minor
>
> Some parts of our code such as IFileInputStream/IFileOutputStream use the
> java Checksum interface to calculate/verify checksums. Currently we don't
> have a native implementation of these. For CRC32C in particular, we can get a
> very big speedup with a native implementation.
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