Backend Performance Best Practices roadmap

What you will learn

1. 1. Caching & Queues

   Speed up services with caching and idempotent APIs, and move slow work to background jobs and queues.

   • Caching & Idempotent APIs — Backend Engineering · Caching & Idempotent APIs
   • Background Jobs, Workers & Queues — Backend Engineering · Background Jobs, Workers & Queues

2. 2. Backend Performance Best Practices

   Budget latency on hot paths, access data efficiently at scale, cache with a clear invalidation strategy, apply backpressure and trim payloads and round trips.

   • API Latency Budgets & Hot Paths — Performance Engineering · API Latency Budgets & Hot Paths
   • Data Access Patterns at Scale — Performance Engineering · Data Access Patterns at Scale
   • Caching Strategy & Invalidation — Performance Engineering · Caching Strategy & Invalidation
   • Async I/O, Concurrency & Backpressure — Performance Engineering · Async I/O, Concurrency & Backpressure
   • Payloads, Compression & Network Round Trips — Performance Engineering · Payloads, Compression & Network Round Trips

3. 3. SQL Performance

   Read query plans, choose the right indexes and fix N+1 queries and connection pool problems.

   • Indexes & Query Plans — Databases · Indexes & Query Plans
   • N+1, Indexes & Connection Pooling — Performance Engineering · N+1, Indexes & Connection Pooling

4. 4. Performance Testing & ProfilingOptional

   Load and stress test systems, then profile and benchmark code to find the bottleneck.

   • Load & Stress Testing — Testing & Quality · Load & Stress Testing
   • Profiling & Benchmarking — Performance Engineering · Profiling & Benchmarking