Samir Ahmic created HBASE-15486:
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Summary: Avoid multiple disable/enable balancer calls while
running rolling-restart.sh --graceful
Key: HBASE-15486
URL: https://issues.apache.org/jira/browse/HBASE-15486
Project: HBase
Issue Type: Improvement
Components: scripts
Affects Versions: 2.0.0, 1.1.4, 1.0.4
Reporter: Samir Ahmic
Assignee: Samir Ahmic
Priority: Minor
When running rolling-restart.sh --graceful we are using graceful_stop.sh to
unload/restart/load regionserver. For every restarted regionserver we are
making two calls in graceful-stop.sh to hbase shell to disable/enable balancer.
This means if we have 100 regionservers to restart by rolling-restart.sh
--graceful we will make 200 calls to hbase shell. Instead i propose that we add
optional parameter in graceful_stop.sh that will tell script not to manage
balancer and manage balancer states in rolling-restart.sh when running with
--graceful parameter.
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