GASP
Engineering Reliability Metrics Operational

Error Rate

Error Rate: Percentage of requests that result in errors.

Formula

Error Rate = Error responses (5xx) / Total requests × 100

Benchmarks

  • Below 0.1%: Excellent
  • 0.1-0.5%: Good
  • 0.5-1%: Acceptable
  • Above 1%: Needs attention

What It Tells You

Service reliability from user perspective.

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GASP Standard v1 · Last updated

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