optimizing-performance

SKILL.md

Critical Rule: Never optimize without data. Always profile before and after changes.

Common Bottleneck Categories | Category | Symptoms | Tools |

| CPU | High CPU usage, slow computation | Profiler, flame graphs | | Memory | High RAM, GC pauses, OOM | Heap snapshots, memory profiler | | I/O | Slow disk/network, waiting | strace, network inspector | | Database | Slow queries, lock contention | Query analyzer, EXPLAIN |

Analyzes and optimizes application performance across frontend, backend, and database layers. Use when diagnosing slowness, improving load times, optimizing queries, reducing bundle size, or when asked about performance issues. Source: cloudai-x/claude-workflow.

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