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https://issues.apache.org/jira/browse/HBASE-2782?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ryan rawson reassigned HBASE-2782:
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Assignee: ryan rawson
> QOS for META table access
> -------------------------
>
> Key: HBASE-2782
> URL: https://issues.apache.org/jira/browse/HBASE-2782
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Todd Lipcon
> Assignee: ryan rawson
>
> I'd like to brainstorm some ideas on how we can prioritize reads and writes
> to META above reads and writes to other tables. I've noticed that if the
> regionserver hosting META is under heavy load, then lots of other operations
> take much longer than they should. For example, I'm currently running 120
> threads of YCSB across 3 client nodes hitting a 5-node cluster. Doing a full
> scan of META (only 600 rows) takes upwards of 30 seconds in the shell, since
> all of the handler threads are tied up and there's a long RPC queue.
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