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From "Lars George (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-2225) Enable compression in HBase Export
Date Wed, 17 Feb 2010 13:39:27 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lars George updated HBASE-2225:
-------------------------------

    Attachment: HBASE-2225-trunk.patch

Patch adds command line switch to enable compression as well as fixing a small typo in info
line logged at startup.

> Enable compression in HBase Export
> ----------------------------------
>
>                 Key: HBASE-2225
>                 URL: https://issues.apache.org/jira/browse/HBASE-2225
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: util
>    Affects Versions: 0.20.1
>         Environment: OS agnostic
>            Reporter: Ted Yu
>            Priority: Minor
>         Attachments: HBASE-2225-trunk.patch
>
>   Original Estimate: 0.5h
>  Remaining Estimate: 0.5h
>
> org.apache.hadoop.hbase.mapreduce.Export should set compression codec
> In createSubmittableJob(), the following should be added:
>     FileOutputFormat.setCompressOutput(job, true);
>     FileOutputFormat.setOutputCompressorClass(job, org.apache.hadoop.io.compress.GzipCodec.class);
> From my experiment, 10% to 50% reduction in Export output has been observed.
> SequenceFileInputFormat used by the Import tool is able to detect GzipCodec - there is
no change for Import class.

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