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Which three basic configuration parameters must you set to migrate your cluster from MapReduce 1 (MRv1) to Map

Which three basic configuration parameters must you set to migrate your cluster from MapReduce
1 (MRv1) to MapReduce V2 (MRv2)?

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A.
Configure the NodeManager to enable MapReduce services on YARN by setting the following
property in yarn-site.xml:
<name>yarn.nodemanager.hostname</name>
<value>your_nodeManager_shuffle</value>

B.
Configure the NodeManager hostname and enable node services on YARN by setting the
following property in yarn-site.xml:
<name>yarn.nodemanager.hostname</name>
<value>your_nodeManager_hostname</value>

C.
Configure a default scheduler to run on YARN by setting the following property in mapredsite.xml:
<name>mapreduce.jobtracker.taskScheduler</name>
<Value>org.apache.hadoop.mapred.JobQueueTaskScheduler</value>

D.
Configure the number of map tasks per jon YARN by setting the following property in mapred:
<name>mapreduce.job.maps</name>
<value>2</value>

E.
Configure the ResourceManager hostname and enable node services on YARN by setting the
following property in yarn-site.xml:
<name>yarn.resourcemanager.hostname</name>
<value>your_resourceManager_hostname</value>

F.
Configure MapReduce as a Framework running on YARN by setting the following property in
mapred-site.xml:
<name>mapreduce.framework.name</name>
<value>yarn</value>

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15 Comments on “Which three basic configuration parameters must you set to migrate your cluster from MapReduce 1 (MRv1) to Map

  1. Dev says:

    I dont think A is needed. I have cluster running without setting nodemanager in yarn-site.xml, Also I dont think question itself is correct.




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  2. Sijo says:

    For the test, the option A given above is as follows

    ———————————-
    Configure the NodeManager to enable MapReduce services on YARN by setting the following
    property in yarn-site.xml:

    yarn.nodemanager.aux-services
    mapreduce_shuffle
    ———————————

    (I tried the test on 22-Nov-2015 and scored 87%. Same questions and options were asked but in different order. I chose the answers based on the discussion in this site)




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