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How can you reduce alert noise when creating alerting policies for a service with frequent short spikes in latency?

hard📝 Application Q9 of 15
GCP - Cloud Monitoring and Logging
How can you reduce alert noise when creating alerting policies for a service with frequent short spikes in latency?
ACreate multiple alerting policies for the same metric
BSet a longer duration for the condition to be true before alerting
CRemove notification channels temporarily
DLower the threshold to catch all spikes
Step-by-Step Solution
Solution:

  1. Step 1: Identify cause of alert noise

    Short spikes cause frequent alerts; ignoring brief spikes reduces noise.

  2. Step 2: Use duration to filter spikes

    Setting a longer duration means alert triggers only if condition persists, reducing noise.

  3. Final Answer:

    Set a longer duration for the condition to be true before alerting -> Option B

  4. Quick Check:

    Longer duration filters short spikes [OK]
Quick Trick: Longer duration filters out brief spikes [OK]
Common Mistakes:
  • Lowering threshold increases noise
  • Removing notification channels hides alerts
  • Creating multiple policies duplicates alerts

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