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### k6 (Load Testing
Performance Scripting)
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Performance Scripting)
then graduate to production with limited blast radius
structured
authentication
maximum payload sizes
not synthetic uniform requests
graceful degradation
p95
peak
verify:
bottlenecks
retry behavior
databases
throughput
internal paths
or retries without backoff causing retry storms
memory stable without unbounded growth
missing expiration
4xx errors <5% (excluding 401/403)
write-heavy APIs >100 RPS per instance
complex query <500ms (p95)
p95 latency > 500ms
error rate
not swallowed or leaked as 500s