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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5470) Make DataBlockEncodingTool work correctly with no native compression codecs loaded
Date Fri, 24 Feb 2012 05:56:52 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13215416#comment-13215416
] 

Hudson commented on HBASE-5470:
-------------------------------

Integrated in HBase-TRUNK-security #121 (See [https://builds.apache.org/job/HBase-TRUNK-security/121/])
    [jira] [HBASE-5470] Make DataBlockEncodingTool work correctly with no native
compression codecs loaded

Summary:
DataBlockEncodingTool was fixed as part of porting data block encoding
(HBASE-4218) to 89-fb
(https://reviews.facebook.net/rHBASEEIGHTNINEFBBRANCH1245291,
https://reviews.facebook.net/D1659). The bug being fixed here appeared when
using GZ as baseline compression codec but not loading native Hadoop libraries,
in which case the compressor instance would be null.

Test Plan:
Run DataBlockEncoding tool with GZ (no native codecs) and LZO (with native
codecs) as baseline (Hadoop-level) compression codecs

Reviewers: JIRA, Kannan, mcorgan, lhofhansl, todd, stack, tedyu

Reviewed By: tedyu

Differential Revision: https://reviews.facebook.net/D1917 (Revision 1293057)

     Result = SUCCESS
mbautin : 
Files : 
* /hbase/trunk/src/test/java/org/apache/hadoop/hbase/regionserver/DataBlockEncodingTool.java

                
> Make DataBlockEncodingTool work correctly with no native compression codecs loaded
> ----------------------------------------------------------------------------------
>
>                 Key: HBASE-5470
>                 URL: https://issues.apache.org/jira/browse/HBASE-5470
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Mikhail Bautin
>            Assignee: Mikhail Bautin
>            Priority: Minor
>             Fix For: 0.94.0
>
>         Attachments: D1917.1.patch
>
>
> DataBlockEncodingTool was fixed as part of porting data block encoding (HBASE-4218) to
89-fb (https://reviews.facebook.net/rHBASEEIGHTNINEFBBRANCH1245291, https://reviews.facebook.net/D1659).
The bug appeared when using GZ as baseline compression codec but not loading native Hadoop
libraries, in which case the compressor instance would be null. The purpose of this JIRA is
to bring the trunk version of DataBlockEncodingTool to parity with the 89-fb version, and
further improvements to the tool will be made separately.

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