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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HADOOP-10859) Native implementation of java Checksum interface
Date Tue, 24 Apr 2018 01:32:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-10859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Todd Lipcon resolved HADOOP-10859.
    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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