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Hudson commented on YARN-2701: ------------------------------ SUCCESS: Integrated in Hadoop-Yarn-trunk #719 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/719/]) YARN-2701. Potential race condition in startLocalizer when using LinuxContainerExecutor. Contributed by Xuan Gong (jianhe: rev 2839365f230165222f63129979ea82ada79ec56e) * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutor.java * hadoop-yarn-project/CHANGES.txt * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java Missing file for YARN-2701 (jianhe: rev 4fa1fb3193bf39fcb1bd7f8f8391a78f69c3c302) * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/MockContainerLocalizer.java > Potential race condition in startLocalizer when using LinuxContainerExecutor > ------------------------------------------------------------------------------ > > Key: YARN-2701 > URL: https://issues.apache.org/jira/browse/YARN-2701 > Project: Hadoop YARN > Issue Type: Bug > Reporter: Xuan Gong > Assignee: Xuan Gong > Priority: Blocker > Fix For: 2.6.0 > > Attachments: YARN-2701.1.patch, YARN-2701.2.patch, YARN-2701.3.patch, > YARN-2701.4.patch, YARN-2701.5.patch, YARN-2701.6.patch > > > When using LinuxContainerExecutor do startLocalizer, we are using native code > container-executor.c. > {code} > if (stat(npath, &sb) != 0) { > if (mkdir(npath, perm) != 0) { > {code} > We are using check and create method to create the appDir under /usercache. > But if there are two containers trying to do this at the same time, race > condition may happen. -- This message was sent by Atlassian JIRA (v6.3.4#6332)