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Posted to common-issues@hadoop.apache.org by "Nicholas Carlini (JIRA)" <ji...@apache.org> on 2010/07/19 23:09:54 UTC

[jira] Updated: (HADOOP-6837) Support for LZMA compression

     [ https://issues.apache.org/jira/browse/HADOOP-6837?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nicholas Carlini updated HADOOP-6837:
-------------------------------------

    Attachment: HADOOP-6837-lzma-c-20100719.patch

Uploaded C code with LzmaNativeInputStream and LzmaNativeOutputStream. Testing is the same as that for the Java code. The documentation is limited on the C side, and there are still (commented out) debug statements scattered all over.

> 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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