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Google Professional Cloud Developer Exam - Topic 5 Question 88 Discussion

Your application is deployed in a Google Kubernetes Engine (GKE) cluster. When a new version of your application is released, your CI/CD tool updates the spec.template.spec.containers[0].image value to reference the Docker image of your new application version. When the Deployment object applies the change, you want to deploy at least 1 replica of the new version and maintain the previous replicas until the new replica is healthy.Which change should you make to the GKE Deployment object shown below?
A) Set the Deployment strategy to RollingUpdate with maxSurge set to 0, maxUnavailable set to 1.
B) Set the Deployment strategy to RollingUpdate with maxSurge set to 1, maxUnavailable set to 0.
C) Set the Deployment strategy to Recreate with maxSurge set to 0, maxUnavailable set to 1.
D) Set the Deployment strategy to Recreate with maxSurge set to 1, maxUnavailable set to 0.

Google Professional Cloud Developer Exam - Topic 5 Question 88 Discussion

Actual exam question for Google's Professional Cloud Developer exam
Question #: 88
Topic #: 5
[All Professional Cloud Developer Questions]

Your application is deployed in a Google Kubernetes Engine (GKE) cluster. When a new version of your application is released, your CI/CD tool updates the spec.template.spec.containers[0].image value to reference the Docker image of your new application version. When the Deployment object applies the change, you want to deploy at least 1 replica of the new version and maintain the previous replicas until the new replica is healthy.

Which change should you make to the GKE Deployment object shown below?

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Suggested Answer: A

by Reita at Jul 18, 2024, 12:40 PM

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Eleonore
7 months ago
C just doesn’t make sense for a rolling update scenario!
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Wynell
8 months ago
I’m leaning towards A, but I’m not sure about the maxSurge setting.
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Alishia
8 months ago
Wait, why would you set maxUnavailable to 0? Seems risky.
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Pamela
8 months ago
Definitely agree with B, maxSurge of 1 is key!
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Venita
8 months ago
I think option B is the best choice for zero downtime.
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Steffanie
9 months ago
I’m not entirely confident, but I think maxUnavailable should be set to 1 to ensure we always have at least one replica running. I need to double-check that.
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Willodean
9 months ago
I feel like I might confuse the Recreate strategy with RollingUpdate. I remember that Recreate takes down all old pods before starting new ones, which doesn't seem to fit this scenario.
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Katina
9 months ago
I think option B sounds right because we want to ensure at least one new replica is up before taking down the old ones. That aligns with what we practiced.
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Alesia
9 months ago
I remember that with RollingUpdate, we can control how many replicas are updated at once, but I'm not sure about the maxSurge and maxUnavailable values.
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Melita
9 months ago
I'm feeling pretty confident about this one. The question is asking us to deploy the new version while maintaining the previous replicas, so option B seems like the right choice.
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Trevor
9 months ago
Okay, I think I've got this. The key is to maintain the previous replicas while deploying the new version, so I'll go with option B - RollingUpdate with maxSurge set to 1 and maxUnavailable set to 0.
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Shanda
9 months ago
Hmm, I'm a bit confused about the difference between RollingUpdate and Recreate strategies. I'll need to review the documentation to make sure I understand the implications of each choice.
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Cristen
9 months ago
This looks like a tricky Kubernetes question. I'll need to carefully consider the deployment strategy options and how they impact the rollout of the new version.
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Margurite
9 months ago
This one seems straightforward - bid/no-bid and proposal preparation are definitely part of the pre-award phase, so I'm going with A.
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Clay
9 months ago
I found the Local Snapshot Backup topic a bit confusing. Is it really part of RDS for MySQL, or just related?
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Samira
1 year ago
Hmm, let me think about this. I need to keep the old version running while the new one is deployed. Yep, Option B is the winner!
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Ciara
1 year ago
User 4: Agreed, let's go with Option B.
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Yvonne
1 year ago
User 3: Option B looks like the right choice, with maxSurge set to 1 and maxUnavailable set to 0.
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Jordan
1 year ago
User 2: Yeah, we should make sure the old version is maintained until the new one is healthy.
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Howard
1 year ago
User 1: I think we need to update the Deployment strategy.
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Corinne
1 year ago
Haha, this question is a piece of cake! I'm gonna ace this exam with my Kubernetes knowledge. Option B all the way, baby!
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Celestina
1 year ago
I'm not sure about this. Doesn't the Recreate strategy mean the old version will be completely replaced? I think the RollingUpdate is the better choice here.
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Ceola
1 year ago
I agree, RollingUpdate will ensure a smooth transition without downtime.
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Maryrose
1 year ago
A) Set the Deployment strategy to RollingUpdate with maxSurge set to 0, maxUnavailable set to 1.
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Tyisha
1 year ago
Option B looks good to me. Maintaining the previous replicas while deploying the new version is exactly what I need.
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Miles
1 year ago
User4: Let's go with option B then, it fits our requirements perfectly.
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Clemencia
1 year ago
User3: That makes sense, it ensures a smooth transition to the new version.
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Leonardo
1 year ago
User2: Agreed, setting maxSurge to 1 will maintain the previous replicas while deploying the new version.
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Francoise
1 year ago
User1: I think option B is the way to go.
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Katie
1 year ago
But wouldn't setting maxSurge to 0 ensure that we deploy at least 1 replica of the new version before removing the old ones?
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Catalina
1 year ago
I disagree, I believe setting the Deployment strategy to RollingUpdate with maxSurge set to 1, maxUnavailable set to 0 is the better option.
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Katie
1 year ago
I think we should set the Deployment strategy to RollingUpdate with maxSurge set to 0, maxUnavailable set to 1.
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