Cloudera
CCA-500 · Question #53
Each node in your Hadoop cluster, running YARN, has 64GB memory and 24 cores. Your yarn.site.xml has the following configuration: <property> <name>yarn.nodemanager.resource.memory-mb</name>…
The correct answer is A. Modify yarn-site.xml with the following property. See the full explanation below for the reasoning.
Question
Each node in your Hadoop cluster, running YARN, has 64GB memory and 24 cores. Your yarn.site.xml has the following configuration:
<property> <name>yarn.nodemanager.resource.memory-mb</name> <value>32768</value> </property> <property> <name>yarn.nodemanager.resource.cpu-vcores</name> <value>12</value> </property> You want YARN to launch no more than 16 containers per node. What should you do?
Options
- AModify yarn-site.xml with the following property:
- BModify yarn-sites.xml with the following property:
- CModify yarn-site.xml with the following property:
- DNo action is needed: YARN's dynamic resource allocation automatically optimizes the node
How the community answered
(53 responses)- A79% (42)
- B4% (2)
- C8% (4)
- D9% (5)
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