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README
Apache-2.0

💎 Easy MQTT

一款简单、实用、高性能的MQTT服务器

💪 优势

  • 支持集群部署
  • 支持数据持久化(从此不再担心服务器宕机导致的订阅关系、消息等数据的丢失)

🚩 功能

  • 支持MQTT v3.1.1协议
  • 支持WebSocket MQTT子协议
  • 基于Kvrocks实现数据的持久化及集群
  • 完整的QOS服务质量等级实现
  • 支持MQTT保留消息
  • 支持在建立MQTT连接时通过外部接口进行认证
  • 支持以SSL的方式建立TCP/WebSocket连接
  • 遗嘱消息(待实现)
  • 零成本替换阿里云MQTT(待实现)
  • 提供发送消息的api;支持一对一、一对多的方式;支持qos=0、1的等级(待实现)

🚀 快速开始

启动kvrocks集群

1.点击 这里 下载最新的已编译的kvrocks压缩包

2.点击 这里 阅读官网文档,搭建kvrocks集群


启动easy mqtt

1.点击 这里 下载最新的已编译的easy mqtt压缩包

2.将包解压缩后,进入解压缩后的目录,更改conf目录下的配置,然后执行如下命令:

sh bin/start.sh -c conf/conf.yml

🔧 配置项

名称 描述 默认值
mqtt.server.is-use-epoll 是否开启Epoll模式, linux下建议开启 false
mqtt.server.is-open-ssl 是否开启ssl false
mqtt.server.ssl-certificate-password SSL密钥文件密码
mqtt.server.ssl-certificate-path SSL证书文件的绝对路径,只支持pfx格式的证书
mqtt.server.tcp-port tcp端口(mqtt协议的端口) 8081
mqtt.server.websocket-port websocket端口 8082
mqtt.server.api-port api端口 8083
mqtt.server.websocket-path websocket连接地址 /websocket
mqtt.server.authentication-url 认证接口地址,如果为null或空字符串则不鉴权
mqtt.server.listener-pool-size 监听器的线程池大小 核心数*2
mqtt.server.deal-message-thread-pool-size 处理消息线程池的大小 核心数*3
mqtt.kvrocks.password kvrocks的密码
mqtt.kvrocks.cluster.nodes kvrocks节点地址,示例192.168.2.222:7003,192.168.2.222:7004
mqtt.kvrocks.cluster.cluster.max-redirects kvrocks集群执行命令时的最大重定向次数
mqtt.kvrocks.pool.min-idle kvrocks连接池中的最小空闲连接数 12
mqtt.kvrocks.pool.max-active kvrocks连接池可以分配的最大连接数。使用负值表示无限制 12
mqtt.kvrocks.pool.max-idle kvrocks连接池中的最大空闲连接数。使用负值表示无限制 12
mqtt.kvrocks.pool.max-wait kvrocks连接池资源耗尽时,连接尝试分配阻塞时间,超时即抛出异常。使用负值无限期阻塞 -1
mqtt.kvrocks.pool.time-between-eviction-runs kvrocks连接池空闲对象逐出器线程的运行间隔时间。当为正值时,启动空闲对象逐出器线程,否则不执行空闲对象逐出 -1

🌞 参考&借鉴

🧾 压测数据

压力机配置:8c16g


最大连接数场景

连接数

connect

cpu

cpu

内存

12W连接占用内存1.07G


发送消息场景

2w个客户端订阅同一个topic,使用另外300个客户端分别向这个topic发送一条qos=1消息,tps=300*2w/处理时间;kvrocks的配置为两台2c4g组成的集群

处理时间为195s,tps约为3w

ps:若kvrocks集群配置提高,tps可再次提高

👍 开源推荐

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一款简单、实用、高性能的MQTT服务器 展开 收起
Java 等 2 种语言
Apache-2.0
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