MAPREDUCE-6472. MapReduce AM should have java.io.tmpdir=./tmp to be consistent with tasks. Contributed by Naganarasimha G R
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@ -590,6 +590,9 @@ Release 2.7.2 - UNRELEASED
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MAPREDUCE-6474. ShuffleHandler can possibly exhaust nodemanager file
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descriptors (Kuhu Shukla via jlowe)
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MAPREDUCE-6472. MapReduce AM should have java.io.tmpdir=./tmp to be
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consistent with tasks (Naganarasimha G R via jlowe)
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Release 2.7.1 - 2015-07-06
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INCOMPATIBLE CHANGES
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@ -402,6 +402,10 @@ public ApplicationSubmissionContext createApplicationSubmissionContext(
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vargs.add(MRApps.crossPlatformifyMREnv(jobConf, Environment.JAVA_HOME)
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+ "/bin/java");
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Path amTmpDir =
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new Path(MRApps.crossPlatformifyMREnv(conf, Environment.PWD),
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YarnConfiguration.DEFAULT_CONTAINER_TEMP_DIR);
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vargs.add("-Djava.io.tmpdir=" + amTmpDir);
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MRApps.addLog4jSystemProperties(null, vargs, conf);
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// Check for Java Lib Path usage in MAP and REDUCE configs
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@ -461,6 +461,7 @@ public void testAMAdminCommandOpts() throws Exception {
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int adminPos = -1;
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int userIndex = 0;
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int userPos = -1;
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int tmpDirPos = -1;
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for(String command : commands) {
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if(command != null) {
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@ -473,11 +474,16 @@ public void testAMAdminCommandOpts() throws Exception {
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userPos = command.indexOf("-Xmx1024m");
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if(userPos >= 0)
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userIndex = index;
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tmpDirPos = command.indexOf("-Djava.io.tmpdir=");
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}
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index++;
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}
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// Check java.io.tmpdir opts are set in the commands
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assertTrue("java.io.tmpdir is not set for AM", tmpDirPos > 0);
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// Check both admin java opts and user java opts are in the commands
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assertTrue("AM admin command opts not in the commands.", adminPos > 0);
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assertTrue("AM user command opts not in the commands.", userPos > 0);
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