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From "Phabricator (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-5470) Make DataBlockEncodingTool work correctly with no native compression codecs loaded
Date Thu, 23 Feb 2012 23:33:50 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5470?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Phabricator updated HBASE-5470:
-------------------------------

    Attachment: D1917.1.patch

mbautin requested code review of "[jira] [HBASE-5470]     HBase
    HBASE-5470

Make DataBlockEncodingTool work correctly with no native compression codecs loaded".
Reviewers: JIRA, Kannan, mcorgan, lhofhansl, todd, stack

  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


REVISION DETAIL
  https://reviews.facebook.net/D1917

AFFECTED FILES
  src/test/java/org/apache/hadoop/hbase/regionserver/DataBlockEncodingTool.java

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> 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
>         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 trunk version, and
further improvements to the tool will be made separately.

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