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Google Professional Data Engineer Exam - Topic 2 Question 16 Discussion

You are operating a streaming Cloud Dataflow pipeline. Your engineers have a new version of the pipeline with a different windowing algorithm and triggering strategy. You want to update the running pipeline with the new version. You want to ensure that no data is lost during the update. What should you do?
A) Update the Cloud Dataflow pipeline inflight by passing the --update option with the --jobName set to the existing job name
B) Update the Cloud Dataflow pipeline inflight by passing the --update option with the --jobName set to a new unique job name
C) Stop the Cloud Dataflow pipeline with the Cancel option. Create a new Cloud Dataflow job with the updated code
D) Stop the Cloud Dataflow pipeline with the Drain option. Create a new Cloud Dataflow job with the updated code

Google Professional Data Engineer Exam - Topic 2 Question 16 Discussion

Actual exam question for Google's Professional Data Engineer exam
Question #: 16
Topic #: 2
[All Professional Data Engineer Questions]

You are operating a streaming Cloud Dataflow pipeline. Your engineers have a new version of the pipeline with a different windowing algorithm and triggering strategy. You want to update the running pipeline with the new version. You want to ensure that no data is lost during the update. What should you do?

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Suggested Answer: A

by Kattie at May 09, 2022, 08:42 AM

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Deandrea
7 months ago
Wait, can you really update inflight without losing data? Sounds too good to be true!
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Chanel
7 months ago
D seems like a safe bet, but I’m not sure about the Drain option.
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Kandis
8 months ago
C sounds risky, stopping the pipeline could lead to data loss.
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Princess
8 months ago
I think B is better, new job name means fresh start.
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Josue
8 months ago
Option A is the way to go! No data loss.
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Maricela
8 months ago
I vaguely recall that the Cancel option might not be the best choice since it could lead to losing inflight data. I think the Drain option is the way to go.
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Gregg
8 months ago
I’m a bit confused about whether creating a new job with a unique name would actually help maintain data integrity. I thought it might lead to data loss.
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Micaela
8 months ago
I think I practiced a similar question where stopping the pipeline was involved. I feel like using the Drain option might be safer for ensuring data isn't lost.
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Thaddeus
8 months ago
I remember that using the --update option with the existing job name is supposed to help with seamless updates, but I'm not entirely sure if it guarantees no data loss.
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Viola
8 months ago
I'm a bit unsure about this one. I know I need to find a way to get the Account Rating field onto the report, but I'm not sure if I should be changing the primary object or the relationship. I think I'll go with option B and add the field to the opportunity record page, but I'm not 100% confident that's the right approach.
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Janna
8 months ago
Hmm, this one seems a bit tricky. I'm not entirely sure about the difference between the hip-ip-list and ftp-address parameters. I'll need to review my notes on configuring FTP services.
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Carmela
8 months ago
This is a good opportunity to apply my knowledge of Shared Structure relationships. I'll methodically go through the options and consider how each one could be used to address the client's needs.
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