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From "Kevin Bowling (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12572) Update Hadoop's lz4 to r131
Date Sun, 22 Nov 2015 22:36:11 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15021225#comment-15021225
] 

Kevin Bowling commented on HADOOP-12572:
----------------------------------------

[~cmccabe] you commited the last bump, can you take a look?

> Update Hadoop's lz4 to r131
> ---------------------------
>
>                 Key: HADOOP-12572
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12572
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: native
>            Reporter: Kevin Bowling
>            Assignee: Kevin Bowling
>         Attachments: HADOOP-12572.001.patch
>
>
> Update hadoop's native lz4 copy to r131 versus the current r123 copy.  Release notes
for the versions are at https://github.com/Cyan4973/lz4/releases
> Noteworthy changes:
> * 30% performance improvement for clang
> * GCC 4.9+ bug fixes
> * New 32/64 bits, little/big endian and strict/efficient align detection routines (internal)
> * Small decompression speed improvement
> This is my first Hadoop patch, review/feedback appreciated.



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