PROFESSIONAL-DATA-ENGINEER · Question #178
PROFESSIONAL-DATA-ENGINEER Question #178: Real Exam Question with Answer & Explanation
The correct answer is C: Monitor the latency of write operations. Increase the size of the Cloud Bigtable cluster when there is a sustained increase in write latency.. D –> since Google recommends adding nodes when storage utilization is > 70% https://cloud.google.com/bigtable/docs/modifying-instance#nodes
Question
You have a data pipeline that writes data to Cloud Bigtable using well-designed row keys. You want to monitor your pipeline to determine when to increase the size of you Cloud Bigtable cluster. Which two actions can you take to accomplish this? (Choose two.)
Options
- AReview Key Visualizer metrics. Increase the size of the Cloud Bigtable cluster when the Read pressure index is above 100.
- BReview Key Visualizer metrics. Increase the size of the Cloud Bigtable cluster when the Write pressure index is above 100.
- CMonitor the latency of write operations. Increase the size of the Cloud Bigtable cluster when there is a sustained increase in write latency.
- DMonitor storage utilization. Increase the size of the Cloud Bigtable cluster when utilization increases above 70% of max capacity.
- EMonitor latency of read operations. Increase the size of the Cloud Bigtable cluster of read operations take longer than 100 ms.
Explanation
D –> since Google recommends adding nodes when storage utilization is > 70% https://cloud.google.com/bigtable/docs/modifying-instance#nodes
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