Which three basic configuration parameters must you set to migrate your cluster from MapReduce 1 (MRv1) to MapReduce V2 (MRv2) ? (Choose three)
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: <value>your_nodeManager_hostname</value>
C) Configure a default scheduler to run on YARN by setting the following property in mapred-site.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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