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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-16133) RSGroupBasedLoadBalancer.retainAssignment() might miss a region
Date Tue, 28 Jun 2016 03:10:57 GMT
Enis Soztutar created HBASE-16133:
-------------------------------------

             Summary: RSGroupBasedLoadBalancer.retainAssignment() might miss a region
                 Key: HBASE-16133
                 URL: https://issues.apache.org/jira/browse/HBASE-16133
             Project: HBase
          Issue Type: Bug
            Reporter: Enis Soztutar
            Assignee: Enis Soztutar
             Fix For: 2.0.0


We have seen in the tests through the IntegrationTestRSGroup that we may miss assigning a
region. 

It is a simple logic error here: 
{code}
        if (server != null && !assignments.containsKey(server)) {
          assignments.put(server, new ArrayList<HRegionInfo>());
        } else if (server != null) {
           assignments.get(server).add(region);
         } else {
{code}
in the first condition, we are not adding the region to the newly created ArrayList. 



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