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https://issues.apache.org/jira/browse/HBASE-3969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13046679#comment-13046679
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stack commented on HBASE-3969:
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Not that I know of. Can you add one?
> Outdated data can not be cleaned in time
> ----------------------------------------
>
> Key: HBASE-3969
> URL: https://issues.apache.org/jira/browse/HBASE-3969
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Affects Versions: 0.90.1, 0.90.2, 0.90.3
> Reporter: zhoushuaifeng
> Fix For: 0.90.4
>
> Attachments: HBASE-3969-solution1.patch
>
>
> Compaction checker will send regions to the compact queue to do compact. But
> the priority of these regions is too low if these regions have only a few
> storefiles. When there is large through output, and the compact queue will
> aways have some regions with higher priority. This may causing the major
> compact be delayed for a long time(even a few days), and outdated data
> cleaning will also be delayed.
> In our test case, we found some regions sent to the queue by major compact
> checker hunging in the queue for more than 2 days! Some scanners on these
> regions cannot get availably data for a long time and lease expired.
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