Revisit QOS
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Key: HBASE-4441
URL: https://issues.apache.org/jira/browse/HBASE-4441
Project: HBase
Issue Type: New Feature
Reporter: Jean-Daniel Cryans
Fix For: 0.94.0
Currently we have a simple QOS model where requests to user tables are using
one set of handlers and requests to catalog tables and other administrative
functions are using another set. I'm wondering if it's worth expending this
model:
- Do we want to support different priorities for different tables/users (when
security's enabled)/operations?
- Do we want finer granularity?
There's also issues like HBASE-4280 that exposes a case where RS communicate
between each other and can potentially deadlock if some slowness is going on.
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