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To alert when a LangChain app's average latency exceeds 2 seconds over 10 minutes, which method is best?

hard📝 Workflow Q8 of 15
LangChain - Production Deployment
To alert when a LangChain app's average latency exceeds 2 seconds over 10 minutes, which method is best?
AManually check logs daily for latency spikes
BAlert immediately when any single request exceeds 2 seconds
CSet an alert for max latency > 2 seconds without time window
DUse a rolling average metric with a 10-minute window and alert if > 2s
Step-by-Step Solution
Solution:
  1. Step 1: Understand requirement

    Alert if average latency exceeds 2 seconds over 10 minutes.
  2. Step 2: Evaluate options

    Rolling average over 10 minutes matches requirement best.
  3. Step 3: Eliminate others

    Immediate alerts on single requests or max latency ignore averaging; manual checks are inefficient.
  4. Final Answer:

    Use a rolling average metric with a 10-minute window and alert if > 2s -> Option D
  5. Quick Check:

    Does Use a rolling average metric with a 10-minute window and alert if > 2s match averaging over time? Yes [OK]
Quick Trick: Use rolling averages for time-based latency alerts [OK]
Common Mistakes:
MISTAKES
  • Alerting on single slow requests instead of average
  • Ignoring time window in alert conditions
  • Relying on manual log checks

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