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https://issues.apache.org/jira/browse/HBASE-3209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12930347#action_12930347
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HBase Review Board commented on HBASE-3209:
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Message from: "Nicolas" <[email protected]>
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This is an automatically generated e-mail. To reply, visit:
http://review.cloudera.org/r/1192/
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Review request for hbase.
Summary
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We have a whole bunch of compaction awesome in our internal 0.89 branch.
Porting this to 0.90:
1) don't unconditionally compact 4 files. have a min threshold
2) intelligently upgrade minors to majors
3) new compaction algo (derived in HBASE-2462 )
This addresses bug HBASE-3209.
http://issues.apache.org/jira/browse/HBASE-3209
Diffs
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trunk/src/main/java/org/apache/hadoop/hbase/regionserver/Store.java 1033278
Diff: http://review.cloudera.org/r/1192/diff
Testing
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Has been running on our primary cluster for the past couple weeks.
Thanks,
Nicolas
> New Compaction Heuristic
> ------------------------
>
> Key: HBASE-3209
> URL: https://issues.apache.org/jira/browse/HBASE-3209
> Project: HBase
> Issue Type: Improvement
> Reporter: Nicolas Spiegelberg
> Assignee: Nicolas Spiegelberg
>
> We have a whole bunch of compaction awesome in our internal 0.89 branch.
> Porting this to 0.90:
> 1) don't unconditionally compact 4 files. have a min threshold
> 2) intelligently upgrade minors to majors
> 3) new compaction algo (derived in HBASE-2462 )
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