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https://issues.apache.org/jira/browse/HBASE-1020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-1020:
-------------------------
Attachment: 1020.patch
Patch to dump metrics on OOME/abort. Patch also does HBASE-1006 adding in
checks for OOME all over HRS.
May still be some holes where an OOME will escape and not be caught and
abort-handled.
> Regionserver OOME handler should dump vital stats
> -------------------------------------------------
>
> Key: HBASE-1020
> URL: https://issues.apache.org/jira/browse/HBASE-1020
> Project: Hadoop HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Andrew Purtell
> Fix For: 0.19.0
>
> Attachments: 1020.patch
>
>
> On OOME the regionserver should dump into the log some vital stats:
> - Number of regions
> - Number of store files
> - Estimated item count and size of memcache(s)
> - Estimated item count and size of store file indexes
> Assumes the reserve can be released upon OOME to allow the additional actions.
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