Cloudera
CCA-500 · Question #27
You are migrating a cluster from MApReduce version 1 (MRv1) to MapReduce version 2 (MRv2) on YARN. You want to maintain your MRv1 TaskTracker slot capacities when you migrate. What should you do/
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Configuration
Question
You are migrating a cluster from MApReduce version 1 (MRv1) to MapReduce version 2 (MRv2) on YARN. You want to maintain your MRv1 TaskTracker slot capacities when you migrate. What should you do/
Options
- AConfigure yarn.applicationmaster.resource.memory-mb and yarn.applicationmaster.resource.cpu-
- BYou don't need to configure or balance these properties in YARN as YARN dynamically balances
- CConfigure mapred.tasktracker.map.tasks.maximum and
- DConfigure yarn.nodemanager.resource.memory-mb and yarn.nodemanager.resource.cpu- vcores
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Topics
#MRv1 to MRv2 migration#NodeManager resources#YARN configuration#TaskTracker slots