PROFESSIONAL-CLOUD-DATABASE-ENGINEER · Question #108
PROFESSIONAL-CLOUD-DATABASE-ENGINEER Question #108: Real Exam Question with Answer & Explanation
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Question
Your customer has a global chat application that uses a multi-regional Cloud Spanner instance. The application has recently experienced degraded performance after a new version of the application was launched. Your customer asked you for assistance. During initial troubleshooting, you observed high read latency. What should you do?
Options
- AUse query parameters to speed up frequently executed queries.
- BChange the Cloud Spanner configuration from multi-region to single region.
- CUse SQL statements to analyze SPANNER_SYS.READ_STATS* tables.
- DUse SQL statements to analyze SPANNER_SYS.QUERY_STATS* tables.
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