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Answer: Create an alert in Cloud Monitoring to alert when the percentage of high priority CPU utilization reaches 65%. If you exceed this threshold, add nodes to your instance.
The correct answer is C. According to Google best practices for managing Cloud Spanner instances, you should create an alert in Cloud Monitoring to alert when the percentage of high priority CPU utilization reaches 65% for a single-region instance. If this threshold is exceeded, you should add nodes to your instance to improve performance. This recommendation is based on the guidance that high priority CPU utilization should not exceed 65% for single-region instances. Adding nodes increases the compute capacity, allowing the instance to handle more load.
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To manage the performance of your Cloud Spanner instance effectively, you are working with an instance currently deployed in a single region within Google Cloud. Given that you need to optimize query performance urgently, and you aim to adhere to Google's recommended best practices for service configuration, what actions should you take to achieve the best performance improvements in the shortest time possible?
A
Create an alert in Cloud Monitoring to alert when the percentage of high priority CPU utilization reaches 45%. If you exceed this threshold, add nodes to your instance.
B
Create an alert in Cloud Monitoring to alert when the percentage of high priority CPU utilization reaches 45%. Use database query statistics to identify queries that result in high CPU usage, and then rewrite those queries to optimize their resource usage.
C
Create an alert in Cloud Monitoring to alert when the percentage of high priority CPU utilization reaches 65%. If you exceed this threshold, add nodes to your instance.
D
Create an alert in Cloud Monitoring to alert when the percentage of high priority CPU utilization reaches 65%. Use database query statistics to identify queries that result in high CPU usage, and then rewrite those queries to optimize their resource usage.