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Amazon SAP-C02 Exam - Topic 2 Question 47 Discussion

A company hosts an application that uses several Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer (ALB). During the initial startup of the EC2 instances, the EC2 instances run user data scripts to download critical content for the application from an Amazon S3 bucket.The EC2 instances are launching correctly. However, after a period of time, the EC2 instances are terminated with the following error message: "An instance was taken out of service in response to an ELB system health check failure." EC2 instances continue to launch and be terminated because of Auto Scaling events in an endless loop.The only recent change to the deployment is that the company added a large amount of critical content to the S3 bucket. The company does not want to alter the user data scripts in production.What should a solutions architect do so that the production environment can deploy successfully?
D) Increase the health check grace period for the Auto Scaling group.
A) Increase the size of the EC2 instances.
B) Increase the health check timeout for the ALB.
C) Change the health check path for the ALB.

Amazon SAP-C02 Exam - Topic 2 Question 47 Discussion

Actual exam question for Amazon's SAP-C02 exam
Question #: 47
Topic #: 2
[All SAP-C02 Questions]

A company hosts an application that uses several Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer (ALB). During the initial startup of the EC2 instances, the EC2 instances run user data scripts to download critical content for the application from an Amazon S3 bucket.

The EC2 instances are launching correctly. However, after a period of time, the EC2 instances are terminated with the following error message: "An instance was taken out of service in response to an ELB system health check failure." EC2 instances continue to launch and be terminated because of Auto Scaling events in an endless loop.

The only recent change to the deployment is that the company added a large amount of critical content to the S3 bucket. The company does not want to alter the user data scripts in production.

What should a solutions architect do so that the production environment can deploy successfully?

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Suggested Answer: D

by Alaine at Dec 05, 2024, 11:13 PM

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Kerrie
9 months ago
Wait, why did they add so much content without testing first?
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Elvis
9 months ago
Changing the health check path seems unnecessary.
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Emerson
10 months ago
Not sure if just increasing instance size will fix this.
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Huey
10 months ago
I think increasing the health check grace period could help!
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Alysa
10 months ago
Sounds like a timeout issue with the ALB health checks.
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Kasandra
10 months ago
I recall that increasing instance size might not directly solve the problem if the health checks are failing. It feels like the grace period is the safer bet here.
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Rodolfo
11 months ago
This seems similar to a practice question I did where adjusting the health check path helped. But in this case, I feel like the grace period is more relevant since the instances need time to download.
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Lashawna
11 months ago
I'm not entirely sure, but I think the health check timeout might be too short now that there's more content to download. Could that be the issue?
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Casie
11 months ago
I remember something about health checks and how they can cause instances to be terminated if they fail. Maybe increasing the health check grace period could help?
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Lon
11 months ago
I think the key here is that the company doesn't want to change the user data scripts in production. That rules out option A, since that would require modifying the scripts. Options B, C, and D all seem like they could work, but I'd lean towards D to give the instances more time to download the content.
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Tanesha
11 months ago
I'm a bit confused on this one. Is the issue with the instances themselves, or with the health checks? I'm not sure if increasing the instance size or changing the health check path would really solve the problem here.
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Nobuko
11 months ago
Okay, I think I've got it. The problem is that the instances can't download the content from S3 fast enough, so the health checks are failing. Increasing the health check timeout or grace period should give them more time to complete the download.
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Marci
11 months ago
Hmm, the issue seems to be with the health checks failing after the instances launch. I'm leaning towards increasing the health check timeout or grace period to give the instances more time to download the content.
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Reynalda
11 months ago
This seems like a tricky one. I'll need to think through the different options carefully to figure out the best approach.
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Dominga
2 years ago
Increasing the health check timeout for the ALB seems like a good option too. That way, the instances have more time to download the content before the ALB gives up on them.
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Veronika
2 years ago
I agree, it's worth a try to prevent the instances from being terminated in an endless loop.
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Pearly
2 years ago
Yeah, that could give the instances enough time to download the content before being terminated.
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Yoko
2 years ago
I think increasing the health check timeout for the ALB could help in this situation.
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Corazon
2 years ago
Haha, what if they just increased the size of the EC2 instances? That would be like trying to fit an elephant in a shoebox!
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Verda
2 years ago
C: Increasing the health check grace period for the Auto Scaling group could also prevent the instances from being terminated too quickly.
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Mary
2 years ago
B: I think changing the health check path for the ALB might be a better solution.
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Roxane
2 years ago
A: Maybe increasing the size of the EC2 instances could help handle the large amount of content.
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Merlyn
2 years ago
I agree with Miss, changing the health check path for the ALB might be a better solution in this case.
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Miss
2 years ago
That could work too, but I'm worried it might not solve the issue completely.
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Teresita
2 years ago
But wouldn't it be better to increase the health check grace period for the Auto Scaling group instead?
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Diego
2 years ago
I think changing the health check path for the ALB might work too. The instances could be failing the health check because the new content has changed the expected response.
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Deangelo
2 years ago
The solution is to increase the health check grace period for the Auto Scaling group. This will give the instances more time to download the content and become healthy before the ALB starts checking their health.
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Nidia
2 years ago
D) Increase the health check grace period for the Auto Scaling group.
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Titus
2 years ago
B) Increase the health check timeout for the ALB.
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Miss
2 years ago
I think we should increase the health check timeout for the ALB.
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