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Amazon Exam SOA-C02 Topic 1 Question 76 Discussion

Actual exam question for Amazon's SOA-C02 exam
Question #: 76
Topic #: 1
[All SOA-C02 Questions]

A company has a cluster of Linux Amazon EC2 Spot Instances that read many files from and write many files to attached Amazon Elastic Block Store (Amazon EBS) volumes. The EC2 instances are frequently started and stopped. As part of the process when an EC2 instance starts, an EBS volume is restored from a snapshot.

EBS volumes that are restored from snapshots are experiencing initial performance that is lower than expected. The company's workload needs almost all the provisioned IOPS on the attached EBS volumes. The EC2 instances are unable to support the workload when the performance of the EBS volumes is too low. A SysOps administrator must implement a solution to ensure that the EBS volumes provide the expected performance when they are restored from snapshots.

Which solution will meet these requirements?

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Suggested Answer: A

by Carin at Jul 27, 2023, 11:18 PM

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Lino
14 days ago
Fast snapshot restore is the only option that actually addresses the core issue. The rest are just Band-Aids.
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Barney
16 days ago
Encrypt the volumes? Why would that help with the initial performance problems? Sounds like a waste of time.
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Fletcher
17 days ago
Increasing the read-ahead buffer? That's a bit of a random suggestion. I don't think that's going to solve the performance issues here.
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Joana
19 days ago
Formatting the volumes as XFS might help, but it seems like a lot of extra work. I'd try the fast snapshot restore first.
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Gail
1 months ago
Option A seems like the way to go. Fast snapshot restore should help get the volumes up to speed quickly.
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Willie
2 days ago
That sounds like a good solution. It should help with the performance issue.
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Carey
8 days ago
A) Configure fast snapshot restore (FSR) on the snapshots that are used.
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Rory
2 months ago
Hmm, that's an interesting point. Can you explain why you think option C) is better?
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Dierdre
2 months ago
I disagree, I believe option C) Format the EBS volumes as XFS file systems before restoring the snapshots is the way to go.
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Rory
2 months ago
I think option A) Configure fast snapshot restore (FSR) on the snapshots that are used would be the best solution.
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