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Google Professional Cloud DevOps Engineer Exam - Topic 5 Question 65 Discussion

You use Spinnaker to deploy your application and have created a canary deployment stage in the pipeline. Your application has an in-memory cache that loads objects at start time. You want to automate the comparison of the canary version against the production version. How should you configure the canary analysis?
D) Compare the canary with the average performance of a sliding window of previous production versions.
A) Compare the canary with a new deployment of the current production version.
B) Compare the canary with a new deployment of the previous production version.
C) Compare the canary with the existing deployment of the current production version.

Google Professional Cloud DevOps Engineer Exam - Topic 5 Question 65 Discussion

Actual exam question for Google's Professional Cloud DevOps Engineer exam
Question #: 65
Topic #: 5
[All Professional Cloud DevOps Engineer Questions]

You use Spinnaker to deploy your application and have created a canary deployment stage in the pipeline. Your application has an in-memory cache that loads objects at start time. You want to automate the comparison of the canary version against the production version. How should you configure the canary analysis?

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Suggested Answer: D

by Marvel at Apr 25, 2024, 10:23 AM

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Amina
7 months ago
C is definitely the most straightforward approach here.
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Delbert
8 months ago
Surprised to see B as an option, that doesn't make sense!
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Laurel
8 months ago
A is just confusing, why compare with a new deployment?
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Laurel
8 months ago
I disagree, D could give a better context with historical data.
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Kristeen
8 months ago
Option C seems like the best choice for a fair comparison.
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Tanesha
9 months ago
I vaguely remember something about using a sliding window for performance comparison, but I'm not confident if that's applicable here.
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Darell
9 months ago
I feel like comparing the canary with the existing deployment of the current production version might be the right choice, but I can't recall the details.
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Ronnie
9 months ago
I think comparing the canary with the previous production version makes sense, but I need to double-check if that's what we practiced.
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Stacey
9 months ago
I remember we discussed canary deployments in class, but I'm not sure if comparing with the current production version is the best approach.
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Reuben
9 months ago
I feel pretty confident about this one. The question is specifically asking about automating the comparison, so I think option C is the best choice to directly compare the canary to the current production version.
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Linn
9 months ago
Hmm, I'm not sure. Comparing to the previous production version or a sliding window could also be valid approaches. I'll need to weigh the pros and cons of each.
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Almeta
9 months ago
Okay, let's see. I think the key here is to compare the canary to the current production version, so I'm leaning towards option C.
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Vi
9 months ago
This is a tricky one. I'll need to think carefully about the in-memory cache and how that might impact the canary analysis.
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Laurel
9 months ago
I feel pretty good about this question. The key is understanding that revenue must be both realized and earned to be recognized, so A is the right choice.
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Laquita
9 months ago
I think I've got a good handle on this. The MF-4x4-COFS module is likely demultiplexing the individual wavelengths that are entering the add/drop ports. That seems to be the most logical answer based on the options provided.
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Caitlin
9 months ago
I'm a bit unsure, but "conflict of interest" sounds right. We had a practice question about a manager hiding their investments before.
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Twila
10 months ago
I'm pretty sure this is about predicting how a patient's condition might progress. Sounds like prognosis to me.
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Yaeko
10 months ago
For this type of question, I find it helpful to go through each option and think about how it could introduce errors in the data. That should help me identify the one that is the exception.
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Cassandra
1 year ago
Option E: Compare the canary to a random person walking by the data center. You know, for an extra layer of analysis!
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Lilli
1 year ago
Option C all the way! Anything else would just be like trying to catch a unicorn with a butterfly net. Let's stick to the basics and compare the canary to the current production version.
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Cherry
1 year ago
Definitely, simplicity is key. Option C it is for automating the comparison of the canary deployment.
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Abraham
1 year ago
Yeah, let's not overcomplicate things. Comparing the canary to the current production version is the way to go.
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Geoffrey
1 year ago
I agree, trying to catch a unicorn with a butterfly net doesn't sound very effective. Let's stick to the basics.
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Mertie
1 year ago
Option C sounds good to me. Let's keep it simple and compare the canary to the current production version.
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Alverta
1 year ago
Hmm, I'm not sure. Option D seems interesting, but it might be overkill for a simple canary analysis. I think I'll go with Option C - keep it simple!
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Charlene
1 year ago
Yeah, Option C is probably the most efficient choice for automating the comparison in a canary deployment.
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Nicolette
1 year ago
Option D does seem like it could be too much for just a canary analysis. Stick with Option C.
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Enola
1 year ago
I agree, Option C is the way to go. Keeping it simple is usually the best approach.
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Felicitas
1 year ago
I agree with Aleisha. Option C is the way to go. Comparing the canary with a new deployment of the production version wouldn't give us a fair comparison.
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Veronika
1 year ago
I've had success with configuring canary analysis this way before. It's a reliable method for ensuring smooth deployments.
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Silva
1 year ago
Automating the comparison will save us a lot of time and ensure we catch any issues before they affect our users.
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Ahmed
1 year ago
Option C is definitely the best choice. We need to compare the canary with the current production version for accurate results.
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Aleisha
1 year ago
Option C seems to be the correct answer. Comparing the canary with the existing deployment of the current production version makes the most sense, as we want to analyze the performance difference between the new canary and the current production version.
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Candida
1 year ago
Definitely, we need to ensure the canary deployment is an improvement.
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Brendan
1 year ago
It's crucial to analyze the performance difference accurately.
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Christene
1 year ago
I agree, comparing with the existing production version is important.
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Charlie
1 year ago
I think option C is the best choice.
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Darci
1 year ago
I agree with Sommer, comparing the canary with a new deployment of the current production version makes more sense to me.
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Luz
1 year ago
I disagree, I believe we should compare the canary with the average performance of a sliding window of previous production versions.
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Sommer
1 year ago
I think we should compare the canary with a new deployment of the current production version.
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