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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-16456) Fix findbugs warnings in hbase-rsgroup module
Date Fri, 19 Aug 2016 16:34:21 GMT
Ted Yu created HBASE-16456:
------------------------------

             Summary: Fix findbugs warnings in hbase-rsgroup module
                 Key: HBASE-16456
                 URL: https://issues.apache.org/jira/browse/HBASE-16456
             Project: HBase
          Issue Type: Bug
            Reporter: Ted Yu
            Priority: Minor


https://builds.apache.org/job/PreCommit-HBASE-Build/3161/artifact/patchprocess/branch-findbugs-hbase-rsgroup-warnings.html
:

Multithreaded correctness Warnings

Code	Warning
SC	new org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl(MasterServices) invokes org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker.start()
SWL	org.apache.hadoop.hbase.rsgroup.RSGroupAdminServer.moveServers(Set, String) calls Thread.sleep()
with a lock held
Performance Warnings

Code	Warning
WMI	org.apache.hadoop.hbase.rsgroup.RSGroupBasedLoadBalancer.correctAssignments(Map) makes
inefficient use of keySet iterator instead of entrySet iterator
WMI	org.apache.hadoop.hbase.rsgroup.RSGroupBasedLoadBalancer.getMisplacedRegions(Map) makes
inefficient use of keySet iterator instead of entrySet iterator
Dodgy code Warnings

Code	Warning
REC	Exception is caught when Exception is not thrown in org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker.waitForGroupTableOnline()
ST	Write to static field org.apache.hadoop.hbase.rsgroup.RSGroupAdminEndpoint.groupInfoManager
from instance method org.apache.hadoop.hbase.rsgroup.RSGroupAdminEndpoint.start(CoprocessorEnvironment)




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