A microservice alert rule is written as: IF response_time > 200ms THEN send_alert(). However, alerts are never triggered even when response time is high. What is the likely error?

medium📝 Analysis Q6 of 15

Microservices - Monitoring and Observability

AThe rule syntax is correct; issue is elsewhere

BThe condition uses '>' but response_time is measured in seconds

CThe threshold 200ms is too high to trigger alerts

DThe alert action send_alert() is missing parentheses

Step-by-Step Solution

Solution:

Step 1: Check unit consistency in alert condition
If response_time is in seconds, comparing to 200ms (0.2s) with '>' will never be true if values are mismatched.
Step 2: Identify the mismatch causing no alerts
Using '>' with wrong units causes condition to fail; correct units needed.
Final Answer:
The condition uses '>' but response_time is measured in seconds -> Option B
Quick Check:
Unit mismatch in condition = No alerts [OK]

Quick Trick: Check units match in alert conditions [OK]

Common Mistakes:

MISTAKES

Ignoring unit mismatches
Assuming syntax error without checking logic
Thinking threshold is too high without evidence

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A microservice alert rule is written as: IF response_time > 200ms THEN send_alert(). However, alerts are never triggered even when response time is high. What is the likely error?

Step 1: Check unit consistency in alert condition

Step 2: Identify the mismatch causing no alerts

Final Answer:

Quick Check:

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