PAS-C01 Design of SAP Workloads on AWS Practice Question
Which TWO Amazon CloudWatch metrics are most useful for monitoring SAP HANA database performance on EC2?
⚠ Common exam trap
Watch out — candidates often confuse general EC2 health metrics (like StatusCheckFailed) or high-level throughput metrics (NetworkIn, DiskWriteOps) with the specific performance indicators that directly impact SAP HANA's in-memory and I/O-sensitive workload, leading them to overlook the burst credit and queue depth metrics that AWS explicitly documents for HANA monitoring.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
CPUCreditBalance
CPUCreditBalance (A) is critical for monitoring SAP HANA on EC2 because HANA is a memory- and CPU-intensive in-memory database that can burst CPU usage. If the instance runs on a T-series burstable instance, a low CPUCreditBalance indicates the instance may soon be throttled, causing severe performance degradation for HANA queries. VolumeQueueLength (D) is essential because SAP HANA relies on fast, low-latency storage (e.g., io1/io2 EBS volumes) for data persistence; a high queue length signals that I/O requests are backing up, directly impacting HANA's savepoint and log write performance.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
CPUCreditBalance
Why this is correct
Important for T2/T3 instances to avoid throttling.
- ✗
NetworkIn
Why it's wrong here
Not directly related to DB performance.
- ✗
DiskWriteOps
Why it's wrong here
Aggregate metric not as useful.
- ✓
VolumeQueueLength
Why this is correct
Indicates EBS I/O wait.
- ✗
StatusCheckFailed
Why it's wrong here
Instance health metric.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PAS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PAS-C01 exam.