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Mike Drob commented on HBASE-19752: ----------------------------------- bq. + LOG.debug("There is no assigned server for " + region); use parameterized logging here bq. + LOG.debug("Couldn't obtain rs group information"); include info about which rsgroup/server/region (whatever makes sense) > RSGroupBasedLoadBalancer#getMisplacedRegions() should handle the case where > rs group cannot be determined > --------------------------------------------------------------------------------------------------------- > > Key: HBASE-19752 > URL: https://issues.apache.org/jira/browse/HBASE-19752 > Project: HBase > Issue Type: Bug > Reporter: Ted Yu > Assignee: Ted Yu > Attachments: 19752.v1.txt, 19752.v2.txt, 19752.v3.txt > > > Observed the following in rs group test output: > {code} > 2018-01-10 14:17:23,006 DEBUG [AssignmentThread] > rsgroup.RSGroupBasedLoadBalancer(316): Found misplaced region: > hbase:acl,,1515593841277.ecf47ecb7522d7fab40db0a237f973fd. on server: > localhost,1,1 found in group: null outside of group: UNKNOWN > {code} > Here is corresponding code: > {code} > if (assignedServer != null && > (info == null || > !info.containsServer(assignedServer.getAddress()))) { > RSGroupInfo otherInfo = null; > otherInfo = > rsGroupInfoManager.getRSGroupOfServer(assignedServer.getAddress()); > LOG.debug("Found misplaced region: " + > regionInfo.getRegionNameAsString() + > {code} > As you can see, both info and otherInfo were null. > In this case, the region should not be placed in misplacedRegions. -- This message was sent by Atlassian JIRA (v6.4.14#64029)