Amazon
DBS-C01 · Question #219
A database specialist is working on an Amazon RDS for PostgreSQL DB instance that is experiencing application performance issues due to the addition of new workloads. The database has 5 ТВ of…
The correct answer is A. Increase the Provisioned IOPS rate on the storage. Key word is "immediate." Replica will take time to create.
Submitted by olafpl· Mar 6, 2026Monitoring and Troubleshooting
Question
A database specialist is working on an Amazon RDS for PostgreSQL DB instance that is experiencing application performance issues due to the addition of new workloads. The database has 5 ТВ of storage space with Provisioned IOPS. Amazon CloudWatch metrics show that the average disk queue depth is greater than 200 and that the disk I/O response time is significantly higher than usual. What should the database specialist do to improve the performance of the application immediately?
Options
- AIncrease the Provisioned IOPS rate on the storage.
- BIncrease the available storage space.
- CUse General Purpose SSD (gp2) storage with burst credits.
- DCreate a read replica to offload Read IOPS from the DB instance.
How the community answered
(27 responses)- A85% (23)
- B4% (1)
- C4% (1)
- D7% (2)
Explanation
Key word is "immediate." Replica will take time to create.
Topics
#RDS PostgreSQL#Performance tuning#Provisioned IOPS#CloudWatch metrics
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