Running Jobs on YARN Clusters

Pre-Requisites

A CDH4.1 Hadoop cluster with YARN installed
- https://ccp.cloudera.com/display/CDH4DOC/Installing+CDH4+on+a+Single+Linux+Node+in+Pseudo-distributed+Mode
Iterative Reduce Framework
- https://github.com/emsixteeen/IterativeReduce

Installation

Basic YARN Usage

yarn jar iterativereduce-0.1-SNAPSHOT.jar [app.properties file]

Building IterativeReduce

* _Needs https://github.com/emsixteeen/IterativeReduce_
* git clone https://github.com/emsixteeen/IterativeReduce.git
* cd IterativeReduce
* mvn package -DskipTests

Copying data to HDFS

We want to send a single file to Knitting Boar (currently we don't have multiple file input working) and also set the "partition size" of the file. The partition size will be the size of each split a worker in Iterative Reduce works on.

hdfs dfs -Ddfs.block.size=bytes -put <src> <dst>

Example of using the 20newsgroups dataset which is around 16MB converted. We want to set the block size to 4MB (4194304 bytes). The command looks like:

hdfs dfs -Ddfs.block.size=4194304 -put /my/local/dir/20news.txt hdfs:///somewhere/in/hdfs/

Launch the Metronome Application

On a YARN-client execute the following:

# yarn jar iterativereduce-0.1-SNAPSHOT.jar app.properties

app.properties is the local filesystem path that contains your application properties file. If not specified, IterativeReduce looks for a file ./app.properties

Output at Command Line

14/05/04 21:28:29 INFO client.Client: Using input path: /user/cloudera/metronome/dbn/mnist
14/05/04 21:28:29 INFO yarn.ResourceManagerHandler: Connecting to the resource manager (client) at /0.0.0.0:8032
14/05/04 21:28:29 INFO yarn.ResourceManagerHandler: Got a new application with id=application_1399163811192_0036
14/05/04 21:28:29 INFO client.Client: Got an application, id=application_1399163811192_0036, appName=IR_DBN_MNIST_TWO_WORKER
14/05/04 21:28:30 WARN client.Client: log4j.properties file not found
14/05/04 21:28:30 WARN iterativereduce.Utils: Unable to copy file /tmp/IR_DBN_MNIST_TWO_WORKER/application_1399163811192_0036/log4j.properties: File not found.
14/05/04 21:28:30 INFO yarn.ResourceManagerHandler: Submitting application to ASM
14/05/04 21:28:33 INFO client.Client: IterativeReduce report:  appId=36, state: ACCEPTED, Running Time: 0:00:02.127
14/05/04 21:28:35 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:04.135
14/05/04 21:28:37 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:06.137
14/05/04 21:28:39 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:08.138
14/05/04 21:28:41 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:10.140
14/05/04 21:28:43 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:12.144
14/05/04 21:28:45 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:14.146
14/05/04 21:28:47 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:16.147
14/05/04 21:28:49 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:18.149
14/05/04 21:28:51 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:20.154
14/05/04 21:28:53 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:22.155
14/05/04 21:28:55 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:24.158
14/05/04 21:28:57 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:26.169
14/05/04 21:28:59 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:28.181
14/05/04 21:29:01 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:30.183
14/05/04 21:29:03 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:32.195
14/05/04 21:29:05 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:34.199
14/05/04 21:29:07 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:36.207
14/05/04 21:29:09 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:38.210
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14/05/04 21:29:15 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:44.227
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14/05/04 21:29:27 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:56.242
14/05/04 21:29:29 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:00:58.244
14/05/04 21:29:31 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:01:00.247
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14/05/04 21:29:37 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:01:06.253
14/05/04 21:29:39 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:01:08.255
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14/05/04 21:29:47 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:01:16.281
14/05/04 21:29:49 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:01:18.284
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14/05/04 21:30:17 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:01:46.325
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14/05/04 21:32:57 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:04:26.653
14/05/04 21:32:59 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:04:28.662
14/05/04 21:33:01 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:04:30.689
14/05/04 21:33:03 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:04:32.694
14/05/04 21:33:05 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:04:34.697
14/05/04 21:33:07 INFO client.Client: IterativeReduce report:  appId=36, state: RUNNING, Running Time: 0:04:36.702
14/05/04 21:33:09 INFO client.Client: IterativeReduce report:  appId=36, state: FINISHED, Running Time: 0:04:38.703
14/05/04 21:33:09 INFO client.Client: Application finished in 281801ms
14/05/04 21:33:09 INFO client.Client: Application completed succesfully.

What Goes Into app.properties ?

# This is the path for the KnittingBoar JAR
iterativereduce.jar.path=iterativereduce-0.1-SNAPSHOT.jar

# Path to your application (which was compiled against KB!)
app.jar.path=Metronome-1.0-SNAPSHOT-jar-with-dependencies.jar

# Comma separated list of other JAR's required for depenedencies
app.lib.jar.path=avro-1.7.1.jar,avro-ipc-1.7.1.jar

# Input file(s) to process
#app.input.path=src/test/resources/data/iris/threeworkers/
app.input.path=src/test/resources/data/MNIST/twolabels/twoworkers/

# Output results to
#app.output.path=hdfs:///user/yarn/kboar/output
app.output.path=file:///tmp/MNIST/dbn.mnist.twoworkers.twolabels.dl_model

# Number of iterations
app.iteration.count=3

app.name=IR_DBN_MNIST_TWO_LABELS

# Requested memory for YARN clients
yarn.memory=512
# The main() class/entry for the AppMaster
yarn.master.main=tv.floe.metronome.deeplearning.dbn.iterativereduce.MasterNode
# Any extra command-line args
yarn.master.args=

# The main() class/entry for the AppWorker
yarn.worker.main=tv.floe.metronome.deeplearning.dbn.iterativereduce.WorkerNode

# Any extra command-line args
yarn.worker.args=

# Any other configuration params, will be pushed down to clients
#tv.floe.metronome.neuralnetwork.conf.RecordFactoryClassname=tv.floe.metronome.io.records.MetronomeRecordFactory

tv.floe.metronome.dbn.conf.LearningRate=0.01

tv.floe.metronome.dbn.conf.hiddenLayerSizes=500,250,100

tv.floe.metronome.dbn.conf.batchSize=20

tv.floe.metronome.evaluate.dataset.path=/tmp/mnist_filtered_conversion_test.metronome

How Do I Check Results?

Go to the cluster web interface
- http://(cluster-address):8088/cluster
find the job name, something like
- application_1352770589658_0020
For the Application Master click on "logs"
Then click on stdout
- The output should look similar to below

-----------------------------------------
# Master Conf #
Number Iterations: 3
-----------------------------------------



Master Compute: SuperStep - Worker Info ----- 
[Master] WorkerReport[0]: I: 0, IC: 1 Trained Recs: 2850 AvgLogLikelihood: -1.8742067 PercentCorrect: 70.4782
> worker 0 is done with current iteration
[Master] WorkerReport[1]: I: 0, IC: 1 Trained Recs: 2664 AvgLogLikelihood: -1.7493868 PercentCorrect: 71.17317
> worker 1 is done with current iteration
[Master] WorkerReport[2]: I: 0, IC: 1 Trained Recs: 2991 AvgLogLikelihood: -1.7783203 PercentCorrect: 70.35493
> worker 2 is done with current iteration
[Master] WorkerReport[3]: I: 0, IC: 1 Trained Recs: 2809 AvgLogLikelihood: -1.8381199 PercentCorrect: 73.0591
> worker 3 is done with current iteration

Master Compute: SuperStep - Worker Info ----- 
[Master] WorkerReport[0]: I: 1, IC: 1 Trained Recs: 5700 AvgLogLikelihood: -1.7117476 PercentCorrect: 78.23344
> worker 0 is done with current iteration
[Master] WorkerReport[1]: I: 1, IC: 1 Trained Recs: 5328 AvgLogLikelihood: -1.5498475 PercentCorrect: 81.4208
> worker 1 is done with current iteration
[Master] WorkerReport[2]: I: 1, IC: 1 Trained Recs: 5982 AvgLogLikelihood: -1.6347487 PercentCorrect: 80.863655
> worker 2 is done with current iteration
[Master] WorkerReport[3]: I: 1, IC: 1 Trained Recs: 5618 AvgLogLikelihood: -1.6497002 PercentCorrect: 78.26145
> worker 3 is done with current iteration

Master Compute: SuperStep - Worker Info ----- 
[Master] WorkerReport[0]: I: 2, IC: 1 Trained Recs: 8550 AvgLogLikelihood: -1.7519032 PercentCorrect: 77.998276
> worker 0 is done with current iteration
[Master] WorkerReport[1]: I: 2, IC: 1 Trained Recs: 7992 AvgLogLikelihood: -1.5914761 PercentCorrect: 80.05547
> worker 1 is done with current iteration
[Master] WorkerReport[2]: I: 2, IC: 1 Trained Recs: 8973 AvgLogLikelihood: -1.6793529 PercentCorrect: 80.11336
> worker 2 is done with current iteration
[Master] WorkerReport[3]: I: 2, IC: 1 Trained Recs: 8427 AvgLogLikelihood: -1.6903981 PercentCorrect: 77.78894
> worker 3 is done with current iteration

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