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Hudson commented on HBASE-13709: -------------------------------- FAILURE: Integrated in HBase-1.2 #94 (See [https://builds.apache.org/job/HBase-1.2/94/]) HBASE-13709 Updates to meta table server columns may be eclipsed (enis: rev 420baa42cebb331771806964deedc5fe8e5313dd) * hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/handler/TestCloseRegionHandler.java * hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RSRpcServices.java * hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsckRepair.java * hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerNoMaster.java * hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestAssignmentManagerOnCluster.java * hbase-protocol/src/main/protobuf/Admin.proto * hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java * hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestHBaseFsck.java * hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/handler/OpenRegionHandler.java * hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/handler/TestOpenRegionHandler.java * hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionServerServices.java * hbase-server/src/test/java/org/apache/hadoop/hbase/MockRegionServerServices.java * hbase-server/src/test/java/org/apache/hadoop/hbase/TestMetaTableAccessor.java * hbase-server/src/main/java/org/apache/hadoop/hbase/master/RegionStateStore.java * hbase-client/src/main/java/org/apache/hadoop/hbase/MetaTableAccessor.java * hbase-client/src/main/java/org/apache/hadoop/hbase/protobuf/RequestConverter.java * hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/AdminProtos.java * hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/handler/OpenMetaHandler.java * hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockRegionServer.java > Updates to meta table server columns may be eclipsed > ---------------------------------------------------- > > Key: HBASE-13709 > URL: https://issues.apache.org/jira/browse/HBASE-13709 > Project: HBase > Issue Type: Bug > Reporter: Enis Soztutar > Assignee: Enis Soztutar > Fix For: 2.0.0, 1.0.2, 1.2.0, 1.1.1 > > Attachments: hbase-13709_v1.patch, hbase-13709_v1.patch, > hbase-13709_v2.patch > > > HBASE-11536 fixes a case where on a very rare occasion, the meta updates may > be processed out of order. The fix is to use the RS's timestamp for the > server column in meta update, but that actually opens up a vulnerability for > clock skew (see the discussions in the jira). > For the region replicas case, we can reproduce a problem where the server > name field is eclipsed by the masters earlier update because the RS is > lagging behind. However, this is not specific to replicas, but occurs more > frequently with it. > One option that was discussed was to send the master's ts with open region > RPC and use it. -- This message was sent by Atlassian JIRA (v6.3.4#6332)