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Cloudera Certified Administrator for Apache Hadoop (CCAH) CCA-500 Question # 1 Topic 1 Discussion

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Cloudera Certified Administrator for Apache Hadoop (CCAH) CCA-500 Question # 1 Topic 1 Discussion

CCA-500 Exam Topic 1 Question 1 Discussion:
Question #: 1
Topic #: 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.

yarn.application.child.java.opts=-Xsx3072m

B.

yarn.application.child.java.opts=-Xmx3072m

C.

mapreduce.map.java.opts=-Xms3072m

D.

mapreduce.map.java.opts=-Xmx3072m

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Actual exam question for Cloudera CCA-500 exam by Sage9316 at Aug 2, 2025, 12:00:00 AM

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