README
¶
goim
goim is a im server writen by golang.
Features
- 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
Architecture
Protocol:
Document
Examples
Websocket: Websocket Client Demo
Android: Android
iOS: iOS
Benchmark
Benchmark Server
| CPU | Memory | OS | Instance |
|---|---|---|---|
| Intel(R) Xeon(R) CPU E5-2630 v2 @ 2.60GHz | DDR3 32GB | Debian GNU/Linux 8 | 1 |
Benchmark Case
- 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
Benchmark Resource
- CPU: 2000%~2300%
- Memory: 14GB
- GC Pause: 504ms
- Network: Incoming(450MBit/s), Outgoing(4.39GBit/s)
Benchmark Result
- Received: 35,900,000/s
LICENSE
goim is is distributed under the terms of the MIT License.
Directories
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| Path | Synopsis |
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benchmark
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examples
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libs
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bufio
Package bufio implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or Writer) that also implements the interface but provides buffering and some help for textual I/O.
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Package bufio implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or Writer) that also implements the interface but provides buffering and some help for textual I/O. |
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