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?
A.
Modify yarn-site.xml with the following property:
<name>yarn.scheduler.minimum-allocation-mb</name>
<value>2048</value>
B.
Modify yarn-sites.xml with the following property:
<name>yarn.scheduler.minimum-allocation-mb</name>
<value>4096</value>
C.
Modify yarn-site.xml with the following property:
<name>yarn.nodemanager.resource.cpu-vccores</name>
D.
No action is needed: YARN’s dynamic resource allocation automatically optimizes the node
memory and cores
A is the right one
0
0
A, 32768/12 = 2048
0
0
A, 32768/(16) = 2048
0
0
Answer is A
Maximum memory YARN can utilize on the node
———————————————– = minimum memory per container
Number of containers
32768
—— = 2048
16
http://hortonworks.com/blog/how-to-plan-and-configure-yarn-in-hdp-2-0/
0
0
but with the configuration, you dont have enough vcores to support 16 tasks. need to change vcores to 16 so that each task has one vcore
0
0
Thanks Sijo,
your ref. link is definitely
0
0
Hello every one can any one help by updating latest ca500 questions please.
0
0
Can someone please send me the latest dumps of CCA500.
0
0
Give me your ID
0
0
satish2100@yahoo.com
0
0
could u please send the latest answer ,, I took the exam and i got 61
thus is my email hmelhi@gmail.com
0
0
A is correct almost 32/2=16
0
0
A is correct
0
0
http://hortonworks.com/blog/how-to-plan-and-configure-yarn-in-hdp-2-0/
The link posted by Sijo has Exact information required.
The Answer is A
0
0