[hbase] Increase parallelism in region servers
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Key: HADOOP-2139
URL: https://issues.apache.org/jira/browse/HADOOP-2139
Project: Hadoop
Issue Type: Improvement
Components: contrib/hbase
Affects Versions: 0.16.0
Reporter: Jim Kellerman
Assignee: Jim Kellerman
Fix For: 0.16.0
There are a number of paths in the region server which block against one
another including:
- log rolling
- cache flushes
- region splitting
- updates
- scanners
Investigate which can proceed in parallel and mechanisms for making some
operations that currently do not run in parallel.
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