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Posted to common-dev@hadoop.apache.org by "Kevin Bowling (JIRA)" <ji...@apache.org> on 2015/11/14 11:23:10 UTC

[jira] [Created] (HADOOP-12572) Update Hadoop's lz4 to r131

Kevin Bowling created HADOOP-12572:
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             Summary: 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


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

Major improvement highlights:
* 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



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