Amazon Exam DBS-C01 Topic 3 Question 22 Discussion

Actual exam question for Amazon's DBS-C01 exam

Question #: 22
Topic #: 3

A large retail company recently migrated its three-tier ecommerce applications to AWS. The company's backend database is hosted on Amazon Aurora PostgreSQL. During peak times, users complain about longer page load times. A database specialist reviewed Amazon RDS Performance Insights and found a spike in IO:XactSync wait events. The SQL attached to the wait events are all single INSERT statements.

How should this issue be resolved?

AModify the application to commit transactions in batches

BAdd a new Aurora Replica to the Aurora DB cluster.

CAdd an Amazon ElastiCache for Redis cluster and change the application to write through.

DChange the Aurora DB cluster storage to Provisioned IOPS (PIOPS).

Show Suggested Answer

Suggested Answer: B

by Jina at May 03, 2022, 05:20 PM

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