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https://issues.apache.org/jira/browse/HBASE-3551?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell closed HBASE-3551.
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> Loaded hfile indexes occupy a good chunk of heap; look into shrinking the
> amount used
> --------------------------------------------------------------------------------------
>
> Key: HBASE-3551
> URL: https://issues.apache.org/jira/browse/HBASE-3551
> Project: HBase
> Issue Type: Improvement
> Reporter: Michael Stack
> Priority: Major
>
> I hung with a user Marc and we were looking over configs and his cluster
> profile up on ec2. One thing we noticed was that his 100+ 1G regions of two
> families had ~2.5G of heap resident. We did a bit of math and couldn't get
> to 2.5G so that needs looking into. Even still, 2.5G is a bunch of heap to
> give over to indices (He actually OOME'd when he had his RS heap set to just
> 3G; we shouldn't OOME, we should just run slower). It sounds like he needs
> the indices loaded but still, for some cases we should drop indices for
> unaccessed files.
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