Huawei
H13-831_V2.0 · Question #203
The website of Ji Insurance Company is deployed on Huawei Cloud and uses a standalone RDS for MySQL instance. Recently, service access has slowed down. Monitoring reveals that the CPU usage of the…
The correct answer is D. Change the database instance from a stand-alone instance to a primary/standby instance. See the full explanation below for the reasoning.
Advanced Storage and Database Architecture Design
Question
The website of Ji Insurance Company is deployed on Huawei Cloud and uses a standalone RDS for MySQL instance. Recently, service access has slowed down. Monitoring reveals that the CPU usage of the database node often reaches 90%, and most of the access is query operations. Which of the following solutions cannot solve this problem?
Options
- ACreate DCS for Redis and use it as a database cache to meet large database read requirements.
- BCreate a read-only instance and use it to reduce the pressure of database read requests.
- CImprove the CPU and memory configuration of the database instance
- DChange the database instance from a stand-alone instance to a primary/standby instance
How the community answered
(46 responses)- A7% (3)
- B11% (5)
- C2% (1)
- D80% (37)
Topics
#RDS MySQL#read replicas#database caching#high CPU utilization
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