YARN-1393. SLS: Add how-to-use instructions. (Wei Yan via kasha)
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@ -8,5 +8,25 @@ SLS runs a regular RM without RPC endpoints and uses a NodeManager and
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Application Manager simulators to send and receive events simulating cluster
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and application load behavior.
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The size of the cluster and the application load is scripted in a configuration
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file.
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==== Quick Start ====
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Let $HADOOP_ROOT represent the Hadoop install directory. If you build Hadoop
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yourself, $HADOOP_ROOT is hadoop-dist/target/hadoop-$VERSION. The simulator
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is located at $HADOOP_ROOT/share/hadoop/tools/sls. The folder sls contains
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four directories: bin (running scripts), html (web portal to view progress),
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sample-conf (some example configurations), and sample-data (an example rumen
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trace).
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STEP 1: Copy all configuration files (under sample-conf) to $HADOOP_ROOT/etc/hadoop.
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STEP 2: Go to the $HADOOP_ROOT/share/hadoop/tools/sls directory, and run the simulator
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using the sample rumen trace (under sample-data).
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bin/slsrun.sh —-input-rumen=sample-data/2jobs2min-rumen-jh.json —-output-dir=sample-output
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The simulator will start to run, and you can track the running progress
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using its web portal (http://$HOST:10001/simulate, where $HOST is the place
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where you run the simulator.). All collected scheduler metrics are stored
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under the output-dir during running. This trace takes about 3 mins to finish.
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For more detailed setup, you can check out the document
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(http://issues.apache.org/jira/secure/attachment/12604817/YARN-1021.pdf)
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@ -225,7 +225,8 @@ Yarn Scheduler Load Simulator (SLS)
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input traces. The script to start the simulator is <<<slsrun.sh>>>.
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+----+
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$ $HADOOP_ROOT/share/hadoop/tools/sls/bin/slsrun.sh
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$ cd $HADOOP_ROOT/share/hadoop/tools/sls
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$ bin/slsrun.sh
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--input-rumen|--input-sls=<TRACE_FILE1,TRACE_FILE2,...>
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--output-dir=<SLS_SIMULATION_OUTPUT_DIRECTORY> [--nodes=<SLS_NODES_FILE>]
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[--track-jobs=<JOBID1,JOBID2,...>] [--print-simulation]
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@ -258,7 +259,7 @@ $ $HADOOP_ROOT/share/hadoop/tools/sls/bin/slsrun.sh
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convert rumen traces to sls traces.
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+----+
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$ $HADOOP_ROOT/share/hadoop/tools/sls/bin/rumen2sls.sh
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$ bin/rumen2sls.sh
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--rumen-file=<RUMEN_FILE>
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--output-dir=<SLS_OUTPUT_DIRECTORY>
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[--output-prefix=<SLS_FILE_PREFIX>]
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@ -237,6 +237,8 @@ Release 2.7.0 - UNRELEASED
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YARN-3075. NodeLabelsManager implementation to retrieve label to node
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mapping (Varun Saxena via wangda)
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YARN-1393. SLS: Add how-to-use instructions. (Wei Yan via kasha)
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OPTIMIZATIONS
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BUG FIXES
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