Components

go-zero ships a comprehensive set of production-ready components that you can drop into any service.

Resilience

• Circuit Breaker — Stop cascading failures
• Rate Limiter — Sliding-window rate limiter
• Period Limiter — Redis-based period rate limiter
• Token Limiter — Token-bucket rate limiter
• Load Shedding — Drop excess traffic under overload
• Timeout — Enforce per-request deadlines

Concurrency

• fx — Functional stream processing
• MapReduce — Parallel map-reduce
• Limit — Concurrency limiting via syncx

Caching

• Memory Cache — In-process LRU/TTL cache
• Redis Cache — Distributed cache with read-through

Logging

• logx — Core structured logger
• logc — Context-aware logging
• Desensitization — Mask sensitive log fields

Observability

• Metrics — Prometheus integration
• Tracing — OpenTelemetry distributed tracing
• Profiling — Runtime profiling

Messaging

• Kafka — Produce and consume Kafka messages
• RabbitMQ — AMQP message queue integration