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From "tesmai4@gmail.com" <tesm...@gmail.com>
Subject Fwd: YARN container lauch failed exception and mapred-site.xml configuration
Date Fri, 20 Feb 2015 17:49:27 GMT
I have 7 nodes in my Hadoop cluster [8GB RAM and 4VCPUs to each nodes], 1
Namenode + 6 datanodes.

I followed the link o horton works [
and made  calculation according to the hardware configruation on my nodes
and have added the update mapred-site and yarn-site.xml files in my
question. Still my application is crashing with the same exection

My mapreduce application has 34 input splits with a block size of 128MB.

**mapred-site.xml** has the  following properties:

    mapreduce.framework.name  = yarn
    mapred.child.java.opts    = -Xmx2048m
    mapreduce.map.memory.mb   = 4096
    mapreduce.map.java.opts   = -Xmx2048m

**yarn-site.xml** has the  following properties:

    yarn.resourcemanager.hostname        = hadoop-master
    yarn.nodemanager.aux-services        = mapreduce_shuffle
    yarn.nodemanager.resource.memory-mb  = 6144
    yarn.scheduler.minimum-allocation-mb = 2048
    yarn.scheduler.maximum-allocation-mb = 6144

 Exception from container-launch: ExitCodeException exitCode=134:
/bin/bash: line 1:  3876 Aborted  (core dumped)
/usr/lib/jvm/java-7-openjdk-amd64/bin/java -Djava.net.preferIPv4Stack=true
-Dhadoop.metrics.log.level=WARN -Xmx8192m
    -Dyarn.app.container.log.filesize=0 -Dhadoop.root.logger=INFO,CLA
org.apache.hadoop.mapred.YarnChild 50842
attempt_1424264025191_0002_m_000005_0 11 >



How can avoid this?any help is appreciated

Is there an option to restrict number of containers on hadoop ndoes?

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