Question

Your team's application writes structured JSON logs to Cloud Logging. Each request log entry contains a numeric field "responseTimeMs". Operations wants to chart the 95th percentile of response times over time in a Cloud Monitoring dashboard, using data extracted from these logs. Which approach should you use?

Accepted Answer

Create a distribution-type log-based metric that extracts the "responseTimeMs" field as its value, then chart the 95th percentile in Cloud Monitoring.

Answer

Create a counter-type log-based metric that counts matching log entries, then chart the count in Cloud Monitoring.

Answer

Export the logs to BigQuery with a sink and run a scheduled query to compute percentiles.

Answer

Enable the Ops Agent on the instances so it automatically reports response-time percentiles as a system metric.