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Posted to common-issues@hadoop.apache.org by "lindongdong (Jira)" <ji...@apache.org> on 2020/07/06 12:23:00 UTC
[jira] [Commented] (HADOOP-12572) Update Hadoop's lz4 to r131
[ https://issues.apache.org/jira/browse/HADOOP-12572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17151982#comment-17151982 ]
lindongdong commented on HADOOP-12572:
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[~stevel@apache.org] this is a grate work, why not go on?
> 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
> Priority: Major
> 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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