Regionserver OOME handler should dump vital stats
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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
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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