cloudwego/netpoll

Health v2 · maintenance only

Adoption not part of the score

4601 stars · 505 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Netpoll is a high-performance non-blocking I/O networking library for Go, developed by ByteDance and focused on RPC scenarios. It provides a reactor-style event loop, nocopy streaming buffers, goroutine pooling, and connection liveness checks to overcome limitations of Go's standard net package under high concurrency.

Use cases

• build a high-throughput RPC framework in Go
• replace net.Conn with non-blocking I/O for microservices
• implement an efficient connection pool with liveness checks
• write a custom TCP server with an event loop
• reduce goroutine overhead under high concurrency
• build a low-latency client and server transport layer

When to choose

• you are building an RPC framework or transport in Go
• you need event-driven non-blocking I/O with nocopy buffers
• high concurrency makes one-conn-one-goroutine too costly
• you want the networking layer behind Kitex or Hertz

When to avoid

• you need simple blocking I/O and low traffic
• you need UDP, QUIC, or TLS-heavy features out of the box
• you are building generic proxy or Redis-like servers better served by gnet or evio
• your team needs a batteries-included HTTP framework rather than a transport library

Facets

library · maturity active

rpc http-server websocket networking concurrency networking backend microservices developer-tools go non-blocking-io event-loop high-performance reactor-pattern tcp unix-domain-socket linux macos

Member repositories

For agents

markdown · JSON · MCP: product_card(name="cloudwego/netpoll")