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From "Binglin Chang (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-7657) Add support for LZ4 compression
Date Sat, 17 Dec 2011 03:20:30 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-7657?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Binglin Chang updated HADOOP-7657:
----------------------------------

    Attachment: HADOOP-7657.lz4.v2.patch

Thanks for review and comments, Todd!
This patch add license notice to LICENSE.txt and svn revision info to 
hadoop-common-project/hadoop-common/src/main/native/src/org/apache/hadoop/io/compress/lz4/lz4.c


Also put revision info here:

Path: lz4.c
Name: lz4.c
URL: http://lz4.googlecode.com/svn/trunk/lz4.c
Repository Root: http://lz4.googlecode.com/svn
Repository UUID: 650e7d94-2a16-8b24-b05c-7c0b3f6821cd
Revision: 42
Node Kind: file
Schedule: normal
Last Changed Author: yann.collet.73@gmail.com
Last Changed Rev: 42
Last Changed Date: 2011-12-09 21:59:59 +0800 (Fri, 09 Dec 2011)
Text Last Updated: 2011-12-12 01:31:50 +0800 (Mon, 12 Dec 2011)
Checksum: 636803a29da03eb68dbf1bd2c4451a41

                
> Add support for LZ4 compression
> -------------------------------
>
>                 Key: HADOOP-7657
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7657
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Mr Bsd
>              Labels: compression
>         Attachments: HADOOP-7657.lz4.v1.patch, HADOOP-7657.lz4.v2.patch
>
>
> According to several benchmark sites, LZ4 seems to overtake other fast compression algorithms,
especially in the decompression speed area. The interface is also trivial to integrate (http://code.google.com/p/lz4/source/browse/trunk/lz4.h)
and there is no license issue.

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