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AWS Certified Data Engineer - Associate · AWS
Select 2 answers.
This question asks for 2 answers, but our data marks only 1. Compare with the community discussion below for the full answer.
Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.
With A you should understand why the CPU is in high loading. B is mentioned in the last phrase of A (optimizing). Remain valid only D
A and D With a workload that is mostly writes and a small number of reads, caching will not be as effective in reducing CPU utilization compared to read-heavy workloads. https://repost.aws/knowledge-center/rds-aurora-postgresql-high-cpu
I will go for A and D, since other options are more likely to improve read performance issues.