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Cloudera Exam CCA175 Topic 4 Question 57 Discussion

Actual exam question for Cloudera's CCA175 exam
Question #: 57
Topic #: 4
[All CCA175 Questions]

Problem Scenario 92 : You have been given a spark scala application, which is bundled in jar named hadoopexam.jar.

Your application class name is com.hadoopexam.MyTask

You want that while submitting your application should launch a driver on one of the cluster node.

Please complete the following command to submit the application.

spark-submit XXX -master yarn \

YYY SSPARK HOME/lib/hadoopexam.jar 10

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Suggested Answer: B

by Adell at Apr 14, 2024, 12:21 AM

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Cecilia
8 months ago
Got it, so the command should be spark-submit -class com.hadoopexam.MyTask -master yarn --deploy-mode cluster SSPARK HOME/lib/hadoopexam.jar 10.
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Eura
8 months ago
And we should specify the jar file path as SSPARK HOME/lib/hadoopexam.jar.
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Harris
8 months ago
Yes, that's necessary to launch the driver on one of the cluster nodes.
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Cecilia
8 months ago
Should we also include --deploy-mode cluster in the command?
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Eura
9 months ago
Yes, that makes sense. It specifies the main class of the application.
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Harris
9 months ago
I think I should use -class com.hadoopexam.MyTask in the spark-submit command.
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Belen
9 months ago
I think B) makes more sense because we need to specify deploy mode
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Cammy
10 months ago
I agree with Svetlana, A) seems like the right choice
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Curtis
10 months ago
No, I believe the correct answer is B)
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Svetlana
10 months ago
I think the answer is A)
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Twila
11 months ago
Hmm, I'm still a bit unsure. Maybe we should double-check the Spark documentation to be sure?
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Gail
11 months ago
Good point. I think the 'deploy-mode cluster' option is only necessary if you want to explicitly specify that the driver should run on a cluster node, rather than on your local machine.
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Ngoc
11 months ago
But wait, doesn't the 'spark-submit' command automatically launch the driver on a cluster node by default? Do we really need the 'deploy-mode cluster' part?
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Scarlet
11 months ago
Yeah, I agree. The 'deploy-mode cluster' option will ensure the driver runs on a cluster node, which is what the question is asking for.
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Fatima
11 months ago
Okay, let's think this through. The question says we want to launch the driver on one of the cluster nodes, so the 'deploy-mode cluster' option seems like the right choice.
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Cornell
11 months ago
Hmm, this question seems straightforward enough, but I'm a bit unsure about the 'deploy-mode' part. Does that mean the driver will run on a cluster node or on my local machine?
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Hannah
9 months ago
YYY: --deploy-mode cluster
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Ena
10 months ago
XXX: -class com.hadoopexam.MyTask
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