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https://issues.apache.org/jira/browse/HBASE-8299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13639312#comment-13639312
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Jean-Daniel Cryans commented on HBASE-8299:
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One important thing that was changed in the latest patch that you haven't
mentioned Elliott is that getMinCompactSize() is now compared against the whole
selection's size. This is important because before that, any small files could
easily trigger major compactions. I've been running with a patched 0.94 over
the weekend while inserting tiny bulk loaded files every ~10 minutes and the
only times it major compacted was when the sum of all the bulk loaded files was
within ratio of the main big file. I'm really happy about this patch.
+1 for commit once the patch is cleaned up.
> ExploringCompactionPolicy can get stuck in rare cases.
> ------------------------------------------------------
>
> Key: HBASE-8299
> URL: https://issues.apache.org/jira/browse/HBASE-8299
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.95.1
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Attachments: HBASE-8299-0.patch, HBASE-8299-1.patch,
> HBASE-8299-2.patch
>
>
> If the files are very oddly sized then it's possible that
> ExploringCompactionPolicy can get stuck.
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