performance
Practical resources about performance for software engineers.
109 results
Optimizing for Speed and Efficiency
Performance is a feature. Slow applications lose users, increase infrastructure costs, and create a poor developer experience. Profiling, benchmarking, and systematic optimization are essential skills for senior engineers.
This section covers profiling techniques, database query optimization, frontend bundle analysis, memory leak detection, and latency reduction strategies. Each guide includes measurable targets and before/after benchmarks.
Database Query Tuning Checklist
Checklist for systematic SQL query optimization: EXPLAIN plan analysis, index strategy, N+1 query...
Load Test Plan Template
Template for planning and documenting load tests: test scenarios, user journey definitions, ramp-up...
Performance Budget Template
Template for defining and enforcing web performance budgets: LCP, INP, CLS targets, resource...
Capacity Planning Template
A reusable template for planning system capacity, estimating growth, and preventing performance...
Complete Guide to LLM Application Architecture
Build production LLM applications end-to-end. Covers API layers, prompt management, streaming,...
Complete Guide to LLM Cost Optimization
Optimize LLM costs in production. Covers model routing, prompt compression, caching, batch API,...
Complete Guide to LLM Evaluation
Evaluate LLM applications in production. Covers RAGAS, LLM-as-judge, human evaluation, A/B testing,...
Complete Guide to OpenAI API Mastery
Master the OpenAI API in production. Covers chat completions, streaming, function calling,...
Complete Guide to GraphQL Caching
Cache GraphQL responses at every layer: CDN, gateway, DataLoader, persisted queries, and...
System Design Interview Guide: Key Concepts
A practical guide to system design interviews: scalability, databases, caching, load balancing,...
Complete Guide to Application-Level Caching
Implement in-memory, distributed, and hybrid caches at the application layer. Covers LRU caches,...
Complete Guide to Cache Invalidation
Master cache invalidation strategies: TTL expiration, event-driven invalidation, versioned keys,...
Complete Guide to CDN Caching Strategy
Design CDN caching for web applications and APIs. Covers edge caching, cache keys, cache headers,...
Complete Guide to Redis Caching Strategies
Master Redis caching with cache-aside, read-through, write-through, write-behind, and refresh-ahead...
Complete Guide to Go Concurrency
Master Go concurrency in production. Covers goroutines, channels, context, select, sync primitives,...
Complete Guide to Java Concurrency
Master Java concurrency in production. Covers threads, locks, CompletableFuture, virtual threads,...
Complete Guide to Python Asyncio
Master asynchronous Python programming with asyncio. Covers coroutines, tasks, event loops,...
Complete Guide to Python Asyncio in Production
Run Python asyncio in production with confidence. Covers event loops, task management, debugging,...
Blob Storage: S3, GCS, and Azure Blob Patterns for Engineers
A practical guide to cloud blob storage: bucket design, access control, lifecycle policies,...
Caching Strategies: From Browser to Database, a Complete
A practical guide to caching strategies: browser caching, CDN edge caching, application caching...
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