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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-16377) ServerName check is ineffective in region_mover.rb
Date Mon, 08 Aug 2016 21:03:20 GMT
Ted Yu created HBASE-16377:
------------------------------

             Summary: ServerName check is ineffective in region_mover.rb
                 Key: HBASE-16377
                 URL: https://issues.apache.org/jira/browse/HBASE-16377
             Project: HBase
          Issue Type: Bug
    Affects Versions: 1.1.2
            Reporter: Ted Yu
            Assignee: Ted Yu


The following was observed during test of region_mover.rb :
{code}
2016-08-08 11:17:05,341|beaver.machine|INFO|352|139926954637120|MainThread|2016-08-08 11:17:05,340
INFO  [RubyThread-9: /usr/hdp/current/hbase-client/bin/thread-pool.rb:28] region_mover: Moving
region  hbase:meta,,1.1588230740 (1 of 14) from xYz.openstacklocal,16020,1470654716593, to
server=xYz.openstacklocal,16020,1470654716593
{code}
There is check that target server should not be the same as current server:
{code}
    if currentServer and currentServer == servername
      $LOG.info("Region " + r.getRegionNameAsString() + " (" + counter.to_s +
        " of " + regions.length.to_s + ") already on target server=" + servername)
      counter = counter + 1
      next
    end
{code}
However, the check is not effective.
See comparison between object1 and object3:
http://www.skorks.com/2009/09/ruby-equality-and-object-comparison/



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