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Hudson commented on HBASE-14706: -------------------------------- SUCCESS: Integrated in HBase-1.2-IT #264 (See [https://builds.apache.org/job/HBase-1.2-IT/264/]) HBASE-14706 RegionLocationFinder should return multiple servernames by (tedyu: rev 1cc234768cbdf024598b6f71ae34286009c55f32) * hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestRegionLocationFinder.java * hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/RegionLocationFinder.java > RegionLocationFinder should return multiple servernames by top host > ------------------------------------------------------------------- > > Key: HBASE-14706 > URL: https://issues.apache.org/jira/browse/HBASE-14706 > Project: HBase > Issue Type: Bug > Components: Balancer > Affects Versions: 2.0.0, 1.2.0, 1.3.0 > Reporter: Guanghao Zhang > Assignee: Guanghao Zhang > Fix For: 2.0.0, 1.2.0, 1.3.0 > > Attachments: HBASE-14706-trunk_v1.patch, HBASE-14706-trunk_v2.patch, > HBASE-14706-trunk_v3.patch, HBASE-14706-trunk_v4.patch, HBASE-14706.patch > > > Multiple RS can run on the same host. But in current RegionLocationFinder, > mapHostNameToServerName map one host to only one server. This will make > LocalityCostFunction get wrong locality about region. > {code} > // create a mapping from hostname to ServerName for fast lookup > HashMap<String, ServerName> hostToServerName = new HashMap<String, > ServerName>(); > for (ServerName sn : regionServers) { > hostToServerName.put(sn.getHostname(), sn); > } > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)