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From "Hong Tang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6837) Support for LZMA compression
Date Mon, 19 Jul 2010 21:21:54 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12890043#action_12890043
] 

Hong Tang commented on HADOOP-6837:
-----------------------------------

@nicolas, per our offline conversation last week, have you looked into whether the licensing
of liblzma is suitable for inclusion in Hadoop? Liblzma seems better in the sense that its
API resembles closely the APIs of other compression libraries like bzip or zlib and should
shrink the amount of coding work needed to support C (and Java over JNI).

> Support for LZMA compression
> ----------------------------
>
>                 Key: HADOOP-6837
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6837
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: io
>            Reporter: Nicholas Carlini
>            Assignee: Nicholas Carlini
>         Attachments: HADOOP-6837-lzma-c-20100719.patch, HADOOP-6837-lzma-java-20100623.patch
>
>
> Add support for LZMA (http://www.7-zip.org/sdk.html) compression, which generally achieves
higher compression ratios than both gzip and bzip2.

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