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https://issues.apache.org/jira/browse/HBASE-3160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12926356#action_12926356
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HBase Review Board commented on HBASE-3160:
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Message from: "Kannan Muthukkaruppan" <[email protected]>
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On second thoughts, I take back my comments on flipping the sign of the
priority. I guess it is common to usage ( P0 > P1 > P2). Perhaps the -ve
numbers were a little confusing, but what you have seems reasonable.
- Kannan
> Compactions: Use more intelligent priorities for PriorityCompactionQueue
> ------------------------------------------------------------------------
>
> Key: HBASE-3160
> URL: https://issues.apache.org/jira/browse/HBASE-3160
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.89.20100924, 0.90.0
> Reporter: Nicolas Spiegelberg
> Assignee: Nicolas Spiegelberg
> Fix For: 0.90.0
>
> Attachments: HBASE-3160.patch
>
>
> One of the problems with the current compaction queue is that we have a very
> low granularity on the importance of the various compactions in the queue.
> If a StoreFile count exceeds 15 files, only then do we bump via enum change.
> We should instead look into more intelligent, granular priority metrics for
> choosing the next compaction.
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