MAPREDUCE-5420. Remove mapreduce.task.tmp.dir from mapred-default.xml. Contributed by James Carman. (harsh)
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@ -235,6 +235,9 @@ Release 2.7.0 - UNRELEASED
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IMPROVEMENTS
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MAPREDUCE-5420. Remove mapreduce.task.tmp.dir from mapred-default.xml
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(James Carman via harsh)
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MAPREDUCE-5932. Provide an option to use a dedicated reduce-side shuffle
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log (Gera Shegalov via jlowe)
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@ -166,8 +166,6 @@ public interface MRJobConfig {
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public static final String PRESERVE_FILES_PATTERN = "mapreduce.task.files.preserve.filepattern";
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public static final String TASK_TEMP_DIR = "mapreduce.task.tmp.dir";
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public static final String TASK_DEBUGOUT_LINES = "mapreduce.task.debugout.lines";
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public static final String RECORDS_BEFORE_PROGRESS = "mapreduce.task.merge.progress.records";
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@ -274,8 +274,6 @@ private static void addDeprecatedKeys() {
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MRJobConfig.PRESERVE_FAILED_TASK_FILES),
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new DeprecationDelta("keep.task.files.pattern",
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MRJobConfig.PRESERVE_FILES_PATTERN),
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new DeprecationDelta("mapred.child.tmp",
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MRJobConfig.TASK_TEMP_DIR),
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new DeprecationDelta("mapred.debug.out.lines",
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MRJobConfig.TASK_DEBUGOUT_LINES),
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new DeprecationDelta("mapred.merge.recordsBeforeProgress",
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@ -319,18 +319,6 @@
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</description>
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</property>
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<property>
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<name>mapreduce.task.tmp.dir</name>
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<value>./tmp</value>
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<description> To set the value of tmp directory for map and reduce tasks.
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If the value is an absolute path, it is directly assigned. Otherwise, it is
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prepended with task's working directory. The java tasks are executed with
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option -Djava.io.tmpdir='the absolute path of the tmp dir'. Pipes and
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streaming are set with environment variable,
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TMPDIR='the absolute path of the tmp dir'
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</description>
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</property>
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<property>
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<name>mapreduce.map.log.level</name>
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<value>INFO</value>
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@ -166,7 +166,6 @@
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<property><!--Loaded from mapred-default.xml--><name>mapreduce.job.end-notification.max.attempts</name><value>5</value></property>
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<property><!--Loaded from job.xml--><name>mapreduce.jobhistory.max-age-ms</name><value>10000000000</value></property>
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<property><!--Loaded from job.xml--><name>yarn.resourcemanager.zookeeper-store.session.timeout-ms</name><value>60000</value></property>
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<property><!--Loaded from job.xml--><name>mapreduce.task.tmp.dir</name><value>./tmp</value></property>
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<property><!--Loaded from job.xml--><name>dfs.default.chunk.view.size</name><value>32768</value></property>
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<property><!--Loaded from job.xml--><name>kfs.bytes-per-checksum</name><value>512</value></property>
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<property><!--Loaded from job.xml--><name>mapreduce.reduce.memory.mb</name><value>512</value></property>
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@ -391,36 +391,7 @@ public static void tearDown() {
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ioe.printStackTrace();
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}
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}
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/**
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* Tests task's temp directory.
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*
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* In this test, we give different values to mapreduce.task.tmp.dir
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* both relative and absolute. And check whether the temp directory
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* is created. We also check whether java.io.tmpdir value is same as
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* the directory specified. We create a temp file and check if is is
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* created in the directory specified.
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*/
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@Test
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public void testTaskTempDir(){
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try {
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JobConf conf = new JobConf(mr.getConfig());
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// intialize input, output directories
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Path inDir = new Path("testing/wc/input");
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Path outDir = new Path("testing/wc/output");
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String input = "The input";
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configure(conf, inDir, outDir, input,
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MapClass.class, IdentityReducer.class);
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launchTest(conf, inDir, outDir, input);
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} catch(Exception e) {
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e.printStackTrace();
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fail("Exception in testing temp dir");
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tearDown();
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}
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}
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/**
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* To test OS dependent setting of default execution path for a MapRed task.
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* Mainly that we can use MRJobConfig.DEFAULT_MAPRED_ADMIN_USER_ENV to set -
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