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Hudson commented on HDFS-8127: ------------------------------ SUCCESS: Integrated in Hadoop-Mapreduce-trunk #2114 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2114/]) HDFS-8127. NameNode Failover during HA upgrade can cause DataNode to finalize upgrade. Contributed by Jing Zhao. (jing9: rev fddd55279d0bdd08b3b40aba6fe2ded1d2e0d846) * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestDFSUpgradeWithHA.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NNStorage.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/NamenodeProtocolTranslatorPB.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/BootstrapStandby.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/NamenodeProtocol.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/NamenodeProtocolServerSideTranslatorPB.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestBootstrapStandbyWithQJM.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NNUpgradeUtil.java * hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt * hadoop-hdfs-project/hadoop-hdfs/src/main/proto/NamenodeProtocol.proto > NameNode Failover during HA upgrade can cause DataNode to finalize upgrade > -------------------------------------------------------------------------- > > Key: HDFS-8127 > URL: https://issues.apache.org/jira/browse/HDFS-8127 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha > Affects Versions: 2.4.0 > Reporter: Jing Zhao > Assignee: Jing Zhao > Priority: Blocker > Fix For: 2.7.1 > > Attachments: HDFS-8127.000.patch, HDFS-8127.001.patch > > > Currently for HA upgrade (enabled by HDFS-5138), we use {{-bootstrapStandby}} > to initialize the standby NameNode. The standby NameNode does not have the > {{previous}} directory thus it does not know that the cluster is in the > upgrade state. If NN failover happens, as response of block reports, the new > ANN will tell DNs to finalize the upgrade thus make it impossible to rollback > again. -- This message was sent by Atlassian JIRA (v6.3.4#6332)