[jira] Commented: (HBASE-2225) Enable compression in HBase Export

["Lars George (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-2225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12861268#action_12861268 ] 

Lars George commented on HBASE-2225:
------------------------------------

Ted,

bq. Would it be useful if we add the ability to filter records using selected row key values ?

Please add another issue for that if not already done.

> 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
>            Assignee: Lars George
>            Priority: Minor
>         Attachments: HBASE-2225-trunk.patch, HBASE-2225-v2-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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