General
PromptBeginner5 minmarkdown
- Considers full-system impact
not just local improvements
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Creative
PromptBeginner5 minmarkdown
- Starts with measurement
not assumptions
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General
PromptBeginner5 minmarkdown
Use checkboxes and stable IDs (e.g.
`PERF-ITEM-1.1`):
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General
PromptBeginner5 minmarkdown
Before finalizing
verify:
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General
PromptBeginner5 minmarkdown
- [ ] Trade-offs between performance
readability
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General
PromptBeginner5 minmarkdown
Use checkboxes and stable IDs (e.g.
`PERF-PLAN-1.1`):
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General
PromptBeginner5 minmarkdown
- **Trade-offs**: Complexity
maintainability
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General
PromptBeginner5 minmarkdown
- Baseline metrics: response time (p50
p95
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General
PromptBeginner5 minmarkdown
In `TODO_perf-tuning.md`
include:
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General
PromptBeginner5 minmarkdown
- **Memory leaks under load**: Allocations growing without bound in long-running processes
leading to OOM crashes in production
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General
PromptBeginner5 minmarkdown
- Monitor slow query logs and set appropriate thresholds (e.g.
>50ms for OLTP queries)
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General
PromptBeginner5 minmarkdown
- Implement distributed tracing (Jaeger
Zipkin) to identify cross-service latency bottlenecks
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General
PromptBeginner5 minmarkdown
- Run load tests with k6
JMeter
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General
PromptBeginner5 minmarkdown
### Backend (APM
Profilers
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General
PromptBeginner5 minmarkdown
### Frontend (Chrome DevTools
Lighthouse
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General
PromptBeginner5 minmarkdown
- Address scalability: proactively consider expected input size
memory limitations
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General
PromptBeginner5 minmarkdown
- Remember that premature optimization is counterproductive
but strategic optimization is essential
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General
PromptBeginner5 minmarkdown
- Provide alternative solutions when trade-offs exist (in-place vs additional memory
speed vs memory)
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General
PromptBeginner5 minmarkdown
- Identify constraints
input/output requirements
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General
PromptBeginner5 minmarkdown
- Consider the full system impact of optimizations
not just local improvements
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General
PromptBeginner5 minmarkdown
- Capture percentiles (p50
p95
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General
PromptBeginner5 minmarkdown
- [ ] All optimizations are documented with rationale
measured impact
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General
PromptBeginner5 minmarkdown
After completing optimization
verify:
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General
PromptBeginner5 minmarkdown
- [ ] Frontend metrics meet targets: LCP <2.5s
FID <100ms
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