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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2008/11/23 00:25:44 UTC
[jira] Commented: (HBASE-1020) Regionserver OOME handler should
dump vital stats
[ https://issues.apache.org/jira/browse/HBASE-1020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12649984#action_12649984 ]
stack commented on HBASE-1020:
------------------------------
Can just dump current metrics to log; has region count, and store file count. Memcache metric has size, not item count (Might be possible to add this as metric -- I think we keep it.. not so for store files).
> 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
>
>
> 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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