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Google Professional Cloud DevOps Engineer Exam - Topic 1 Question 42 Discussion

Your team is designing a new application for deployment into Google Kubernetes Engine (GKE). You need to set up monitoring to collect and aggregate various application-level metrics in a centralized location. You want to use Google Cloud Platform services while minimizing the amount of work required to set up monitoring. What should you do?
A) Publish various metrics from the application directly to the Slackdriver Monitoring API, and then observe these custom metrics in Stackdriver.
B) Install the Cloud Pub/Sub client libraries, push various metrics from the application to various topics, and then observe the aggregated metrics in Stackdriver.
C) Install the OpenTelemetry client libraries in the application, configure Stackdriver as the export destination for the metrics, and then observe the application's metrics in Stackdriver.
D) Emit all metrics in the form of application-specific log messages, pass these messages from the containers to the Stackdriver logging collector, and then observe metrics in Stackdriver.

Google Professional Cloud DevOps Engineer Exam - Topic 1 Question 42 Discussion

Actual exam question for Google's Professional Cloud DevOps Engineer exam
Question #: 42
Topic #: 1
[All Professional Cloud DevOps Engineer Questions]

Your team is designing a new application for deployment into Google Kubernetes Engine (GKE). You need to set up monitoring to collect and aggregate various application-level metrics in a centralized location. You want to use Google Cloud Platform services while minimizing the amount of work required to set up monitoring. What should you do?

Show Suggested Answer Hide Answer
Suggested Answer: A

https://cloud.google.com/kubernetes-engine/docs/concepts/custom-and-external-metrics#custom_metrics

https://github.com/GoogleCloudPlatform/k8s-stackdriver/blob/master/custom-metrics-stackdriver-adapter/README.md

Your application can report a custom metric to Cloud Monitoring. You can configure Kubernetes to respond to these metrics and scale your workload automatically. For example, you can scale your application based on metrics such as queries per second, writes per second, network performance, latency when communicating with a different application, or other metrics that make sense for your workload. https://cloud.google.com/kubernetes-engine/docs/concepts/custom-and-external-metrics


by Kattie at May 04, 2022, 02:50 AM

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Ellsworth
10 months ago
C is definitely the way to go, OpenTelemetry is super reliable!
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Titus
10 months ago
B sounds like overkill for just monitoring metrics.
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Cassi
11 months ago
I’m surprised that using logs for metrics (D) is even an option.
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Jerry
11 months ago
I disagree, I think A could work too, but it might be more complex.
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Gilma
11 months ago
Option C seems like the best choice for easy integration with Stackdriver.
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Brendan
11 months ago
I’m a bit confused about whether we should use Cloud Pub/Sub for metrics; it seems like overkill for what we need, right?
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Rene
11 months ago
I feel like option C is the most straightforward since it mentions using OpenTelemetry, which we practiced a lot.
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Markus
11 months ago
I think we discussed using OpenTelemetry in one of our practice sessions, but I'm not entirely sure how it integrates with Stackdriver.
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Zona
11 months ago
I remember something about publishing metrics directly to Stackdriver, but I can't recall if that's the best approach for GKE.
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Hayley
11 months ago
Hmm, this is a tricky one. I know the Advanced report has a lot of detailed options, so that's my best guess. But I'm not 100% sure about the exclusionary operators part.
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Sherell
11 months ago
I'm leaning towards option B. Deleting the old entitlement and creating a new one from scratch might be the most straightforward approach, especially if there are any complications with the existing one. As long as I get the new parameters right, that should work.
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Matthew
11 months ago
I'm a bit unsure about this one. I know colchicine can affect various lab tests, but I'm not sure which specific ones. I'll have to make an educated guess.
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