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Hudson commented on HBASE-18004: -------------------------------- SUCCESS: Integrated in Jenkins build HBase-Trunk_matrix #3201 (See [https://builds.apache.org/job/HBase-Trunk_matrix/3201/]) HBASE-18004 getRegionLocations needs to be called once in (stack: rev dd1d81ef5a673deb7fbfbf59c1b51b4f83b1666c) * (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java * (edit) hbase-client/src/main/java/org/apache/hadoop/hbase/client/ScannerCallableWithReplicas.java > getRegionLocations needs to be called once in > ScannerCallableWithReplicas#call() > --------------------------------------------------------------------------------- > > Key: HBASE-18004 > URL: https://issues.apache.org/jira/browse/HBASE-18004 > Project: HBase > Issue Type: Improvement > Components: Client > Affects Versions: 2.0.0 > Reporter: huaxiang sun > Assignee: huaxiang sun > Priority: Minor > Fix For: 2.0.0 > > Attachments: HBASE-18004-master-001.patch, > HBASE-18004-master-002.patch > > > Look at this line, > https://github.com/apache/hbase/blob/master/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ScannerCallableWithReplicas.java#L145 > It calls getRegionLocations() to get the primary region's locations. It's > usage is to figure out table's region replications. Since table's region > replication wont be changed until the table is disabled. It is safe to cache > this region replication. -- This message was sent by Atlassian JIRA (v6.4.14#64029)