Your application is logging to Stackdriver. You want to get the count of all requests on all /api/alpha/* endpoints. What should you do?

Question

Options

• AAdd a Stackdriver counter metric for path:/api/alpha/.
• BAdd a Stackdriver counter metric for endpoint:/api/alpha/*.
• CExport the logs to Cloud Storage and count lines matching /api/alpha.
• DExport the logs to Cloud Pub/Sub and count lines matching /api/alpha.

• A
  16% (5)
• B
  71% (22)
• C
  10% (3)
• D
  3% (1)

Explanation

A logs-based counter metric in Cloud Monitoring (Stackdriver) lets you filter log entries by a specific pattern and count the matches. Using a filter like endpoint:/api/alpha/* correctly captures all requests to any endpoint under that path prefix using a wildcard. This is the native, purpose-built mechanism for deriving metrics from log data. Exporting logs to Cloud Storage (C) or Cloud Pub/Sub (D) and counting lines is a manual, higher-latency, and more expensive approach. Option A uses an incorrect filter key ('path' instead of 'endpoint').

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