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https://issues.apache.org/jira/browse/HBASE-15134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Busbey updated HBASE-15134:
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Assignee: Abhishek Singh Chouhan
> Add visibility into Flush and Compaction queues
> -----------------------------------------------
>
> Key: HBASE-15134
> URL: https://issues.apache.org/jira/browse/HBASE-15134
> Project: HBase
> Issue Type: New Feature
> Components: Compaction, metrics, regionserver
> Reporter: Elliott Clark
> Assignee: Abhishek Singh Chouhan
> Attachments: HBASE-15134.patch, HBASE-15134.patch
>
>
> On busy spurts we can see regionservers start to see large queues for
> compaction. It's really hard to tell if the server is queueing a lot of
> compactions for the same region, lots of compactions for lots of regions, or
> just falling behind.
> For flushes much the same. There can be flushes in queue that aren't being
> run because of delayed flushes. There's no way to know from the metrics how
> many flushes are for each region, how many are delayed. Etc.
> We should add either more metrics around this ( num per region, max per
> region, min per region ) or add on a UI page that has the list of compactions
> and flushes.
> Or both.
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