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Question 31 - DBS-C01 discussion

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A Database Specialist must create a read replica to isolate read-only queries for an Amazon RDS for MySQL DB instance. Immediately after creating the read replica, users that query it report slow response times.

What could be causing these slow response times?

A.
New volumes created from snapshots load lazily in the background
Answers
A.
New volumes created from snapshots load lazily in the background
B.
Long-running statements on the master
Answers
B.
Long-running statements on the master
C.
Insufficient resources on the master
Answers
C.
Insufficient resources on the master
D.
Overload of a single replication thread by excessive writes on the master
Answers
D.
Overload of a single replication thread by excessive writes on the master
Suggested answer: A

Explanation:

snapshot is lazy loaded If the volume is accessed where the data is not loaded, the application accessing the volume encounters a higher latency than normal while the data gets loaded

https://aws.amazon.com/about-aws/whats-new/2019/11/amazon-ebs-fast-snapshot-restoreeliminates-need-for-prewarming-data-into-volumes-created-snapshots/

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asked 16/09/2024
brandon landaal
40 questions
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