[jira] [Created] (HBASE-15486) Avoid multiple disable/enable balancer calls while running rolling-restart.sh --graceful

["Samir Ahmic (JIRA)" <ji...@apache.org>]

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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