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NO.1 You are running a Hadoop cluster with MapReduce version 2 (MRv2) on YARN. You consistently
see that MapReduce map tasks on your cluster are running slowly because of excessive garbage
collection of JVM, how do you increase JVM heap size property to 3GB to optimize performance?
A. mapreduce.map.java.opts=-Xmx3072m
B. yarn.application.child.java.opts=-Xmx3072m
C. yarn.application.child.java.opts=-Xsx3072m
D. mapreduce.map.java.opts=-Xms3072m
Answer: D

CCA-500 pdf   CCA-500 Exam Dumps   
Reference: http://hortonworks.com/blog/how-to-plan-and-configure-yarn-in-hdp-2-0/

NO.2 Which scheduler would you deploy to ensure that your cluster allows short jobs to finish within
a reasonable time without starting long-running jobs?
A. FIFO Scheduler
B. Complexity Fair Scheduler (CFS)
C. Fair Scheduler
D. Capacity Scheduler
Answer: C
Reference: http://hadoop.apache.org/docs/r1.2.1/fair_scheduler.html

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Exam Code: CCA-500
Exam Name: Cloudera Certified Administrator for Apache Hadoop (CCAH)
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CCA-500 Braindumps Total Q&A: 60 Questions and Answers
Last Update: 2016-09-11

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Exam Code: CCA-505
Exam Name: Cloudera Certified Administrator for Apache Hadoop (CCAH) CDH5 Upgrade Exam
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CCA-505 Exam PDF Total Q&A: 45 Questions and Answers
Last Update: 2016-09-11

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