rpcx: A Go repository from karfield

Notice: You can write clients in any programming languages to call rpcx services via rpcx-gateway

If you can write Go methods, you can also write rpc services. It is so easy to write rpc applications with rpcx.

Installation

install the basic features:

go get -u -v github.com/smallnest/rpcx/...

If you want to use reuseport、quic、kcp, zookeeper, etcd, consul registry, use those tags to go get 、 go build or go run. For example, if you want to use all features, you can:

go get -u -v -tags "reuseport quic kcp zookeeper etcd consul ping" github.com/smallnest/rpcx/...

tags:

quic: support quic transport
kcp: support kcp transport
zookeeper: support zookeeper register
etcd: support etcd register
consul: support consul register
ping: support network quality load balancing
reuseport: support reuseport

Features

rpcx is a RPC framework like Alibaba Dubbo and Weibo Motan.

rpcx 3.0 has been refactored for targets:

Simple: easy to learn, easy to develop, easy to intergate and easy to deploy
Performance: high perforamnce (>= grpc-go)
Cross-platform: support raw slice of bytes, JSON, Protobuf and MessagePack. Theoretically it can be use in java, php, python, c/c++, node.js, c# and other platforms
Service discovery and service governance.: support zookeeper, etcd and consul.

It contains below features

Support raw Go functions,. No need to define proto files.
Pluggable. Features can be extended such as service discovery, tracing.
Support TCP, HTTP, QUIC and KCP
Support multiple codecs such as JSON、Protobuf、MessagePack and raw bytes.
Service discovery. Support peer2peer, configured peers, zookeeper, etcd, consul and mDNS.
Fault tolerance：Failover、Failfast、Failtry.
Load banlancing：support Random, RoundRobin, Consistent hashing, Weighted, network quality and Geography.
Support Compression.
Support passing metadata.
Support Authorization.
Support heartbeat and one-way request.
Other features: metrics, log, timeout, alias, CircuitBreaker.
Support bidirectional communication.
Support access via HTTP so you can write clients in any programming languages
Support API gateway.
Support backup request, forking and broadcast.

rpcx uses a binary protocol and platform-independent, that means you can develop services in other languages such as Java, python, nodejs, and you can use other prorgramming languages to invoke services developed in Go.

There is a UI manager: rpcx-ui.

Performance

Test Environment

CPU: Intel(R) Xeon(R) CPU E5-2630 v3 @ 2.40GHz, 32 cores
Memory: 32G
Go: 1.9.0
OS: CentOS 7 / 3.10.0-229.el7.x86_64

Use

protobuf
the client and the server on the same server
581 bytes payload
500/2000/5000 concurrent clients
mock processing time: 0ms, 10ms and 30ms

Test Result

mock 0ms process time

Throughputs	Mean Latency	P99 Latency

mock 10ms process time

Throughputs	Mean Latency	P99 Latency

mock 30ms process time

Throughputs	Mean Latency	P99 Latency

Examples

You can find all examples at rpcx-ecosystem/rpcx-examples3.

The below is a simple example.

Server

    // define example.Arith
    ……

    s := server.NewServer()
	s.RegisterName("Arith", new(example.Arith), "")
	s.Serve("tcp", addr)

Client

    // prepare requests
    ……

    d := client.NewPeer2PeerDiscovery("tcp@"+addr, "")
	xclient := client.NewXClient("Arith", client.Failtry, client.RandomSelect, d, client.DefaultOption)
	defer xclient.Close()
	err := xclient.Call(context.Background(), "Mul", args, reply, nil)

Productions

Cluster defense project： 4 billion of calls per day (2 server, 8 clients)
Storm of the Three Kingdoms: game

If you or your company is using rpcx, welcome to tell me and I will add more in this.

Contribute

see contributors.

Welcome to contribute:

submit issues or requirements
send PRs
write projects to use rpcx
write tutorials or articles to introduce rpcx

License

Apache License, Version 2.0

karfield/rpcx