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https://issues.apache.org/jira/browse/HBASE-2988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12909537#action_12909537
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HBase Review Board commented on HBASE-2988:
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Message from: "Andrew Purtell" <[email protected]>
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This is an automatically generated e-mail. To reply, visit:
http://review.cloudera.org/r/821/
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(Updated 2010-09-14 17:22:18.235446)
Review request for hbase.
Changes
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getCompactionCompression falls back to getCompression if COMPRESSION_COMPACT is
unset
Summary
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Support alternate compression for major compactions.
This is expected to be an uncommmon configuration so I did not pollute the
HColumnDescriptor constructor with the new option; instead only added
convenience {get,set}ters.
This addresses bug HBASE-2988.
http://issues.apache.org/jira/browse/HBASE-2988
Diffs (updated)
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src/main/java/org/apache/hadoop/hbase/HColumnDescriptor.java 8e3bd53
src/main/java/org/apache/hadoop/hbase/regionserver/Store.java 4f777f0
src/main/ruby/hbase/admin.rb 82d7e54
Diff: http://review.cloudera.org/r/821/diff
Testing
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Created table with LZO compression, inserted 10GB of data, altered schema with
COMPRESSION_COMPACT of 'LZMA' (custom LZMA Hadoop compression plugin),
initiated major compaction, confirmed the results by examining HFiles on local
fs with the UNIX file utility.
Thanks,
Andrew
> Support alternate compression for major compactions
> ---------------------------------------------------
>
> Key: HBASE-2988
> URL: https://issues.apache.org/jira/browse/HBASE-2988
> Project: HBase
> Issue Type: Improvement
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
> Priority: Minor
> Attachments: HBASE-2988-0.20.patch, HBASE-2988-trunk.patch
>
>
> Support an alternate compression scheme on HFiles during major compaction.
> See discussion on HBASE-2987 for background.
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