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https://issues.apache.org/jira/browse/HBASE-8873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13708036#comment-13708036
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Liang Xie commented on HBASE-8873:
----------------------------------
the compaction trigger condition will be inaccurate sometimes. e.g. set
minFilesToCompact=3, it probably trigger a minor compaction while
storefiles.size() - filesCompacting.size() = 2. or storefiles.size() -
filesCompacting.size() = 4, but didn't trigger a normal minor compaction
request.
> minor concurrent issue about filesCompacting
> --------------------------------------------
>
> Key: HBASE-8873
> URL: https://issues.apache.org/jira/browse/HBASE-8873
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.95.1, 0.94.9
> Reporter: Liang Xie
> Assignee: Liang Xie
> Attachments: HBase-8873-0.94.txt
>
>
> i am reading compaction code, seems there's a minor thread-safe issue on
> filesCompacting in both 0.94 and trunk, we guard it with synchronized/lock,
> except needsCompaction() function. and the fix should sth like this:
> synchronized (filesCompacting) {
> ...
> }
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