goim is an im server writen in golang.
- Light weight
- High performance
- Pure Golang
- Supports single push, multiple push and broadcasting
- Supports one key to multiple subscribers (Configurable maximum subscribers count)
- Supports heartbeats (Application heartbeats, TCP, KeepAlive, HTTP long pulling)
- Supports authentication (Unauthenticated user can't subscribe)
- Supports multiple protocols (WebSocket，TCP，HTTP）
- Scalable architecture (Unlimited dynamic job and logic modules)
- Asynchronous push notification based on Kafka
make build
make run
make stop
// or
nohup target/logic -conf=target/logic.toml -region=sh -zone=sh001 -deploy.env=dev -weight=10 2>&1 > target/logic.log &
nohup target/comet -conf=target/comet.toml -region=sh -zone=sh001 -deploy.env=dev -weight=10 -addrs=127.0.0.1 2>&1 > target/logic.log &
nohup target/job -conf=target/job.toml -region=sh -zone=sh001 -deploy.env=dev 2>&1 > target/logic.log &
env:
export REGION=sh
export ZONE=sh001
export DEPLOY_ENV=dev
supervisor:
environment=REGION=sh,ZONE=sh001,DEPLOY_ENV=dev
go flag:
-region=sh -zone=sh001 deploy.env=dev
You can view the comments in target/comet.toml,logic.toml,job.toml to understand the meaning of the config.
Websocket: Websocket Client Demo
Android: Android
iOS: iOS
| CPU | Memory | OS | Instance |
|---|---|---|---|
| Intel(R) Xeon(R) CPU E5-2630 v2 @ 2.60GHz | DDR3 32GB | Debian GNU/Linux 8 | 1 |
- Online: 1,000,000
- Duration: 15min
- Push Speed: 40/s (broadcast room)
- Push Message: {"test":1}
- Received calc mode: 1s per times, total 30 times
- CPU: 2000%~2300%
- Memory: 14GB
- GC Pause: 504ms
- Network: Incoming(450MBit/s), Outgoing(4.39GBit/s)
- Received: 35,900,000/s
goim is is distributed under the terms of the MIT License.