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From "Adrien Grand (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-5038) LZ4Compressor
Date Mon, 11 Feb 2013 00:45:13 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-5038?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Adrien Grand updated CASSANDRA-5038:
------------------------------------

    Attachment: CASSANDRA-5038.patch

Updated patch (should apply on top of branch cassandra-1.2):
 - upgraded lz4 to version 1.1.0
 - added copyright headers and license files

After having applied the patch, you need to download the LZ4 jar from http://repo1.maven.org/maven2/net/jpountz/lz4/lz4/1.1.0/lz4-1.1.0.jar
and put it under the "lib" directory.
                
> LZ4Compressor
> -------------
>
>                 Key: CASSANDRA-5038
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5038
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>            Reporter: T Jake Luciani
>            Priority: Minor
>             Fix For: 1.2.2
>
>         Attachments: CASSANDRA-5038.patch, CASSANDRA-5038.patch, CASSANDRA-5038.patch,
LZ4Compressor.java, lz4-java.jar
>
>
> LZ4 is a new compression algo that's ~2x faster than Snappy.
> [~jpountz] has written a nice java port which includes a misc.Unsafe version that performs
>= than our java snappy version.
> Details at http://blog.jpountz.net/post/28092106032/wow-lz4-is-fast
> The nice thing is this should work with java7 and be more portable.
> We can also fallback the pure java impl

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