emqttd v0.12.0-beta 发布，更新内容如下：
重点
Enhance the emqttd_ctl module to allow plugins to register new commands (#256)
Add emqttd_recon plugin to debug/optimize the broker (#235)
Add './bin/emqttd_ctl broker pubsub' command to check the status of core pubsub processes
Add './bin/emqttd_top' command(like etop) to show the top 'msg_q', 'reductions', 'memory' or 'runtime' processes
'rel/files/emqttd.config.production' for production deployment(default)
'rel/files/emqttd.config.development' for development deployment
提升
Qos1/2 messages will not be dropped under unstable mobile network (#264)
emqttd_session:subscribe/2, emqttd_session:unsubscribe/2 APIs should be asynchronous (#292)
etc/emqttd.config: 'idle_timeout' option to close the idle client(socket connected but no 'CONNECT' frame received)
etc/emqttd.config: 'unack_retry_interval' option for redelivering Qos1/2 messages
How to monitor large 'message_queue_len' (#283)
Bug修复
Behaviour emqttd_auth_mod is missing init callback (#318)
Benchmark
Write a new benchmark tool to benchmark this release
Hw requirements - 5K users, 25-50 msgs/sec, QoS=1 (#209)
Supported Number of Connections Greatly Reduced When Clients are Subscribing (#324)
[emqttd]是采用Erlang语言开发，全面支持MQTT V3.1.1协议，支持集群和大规模连接的开源MQTT消息服务器。[emqttd]致力于发布一个基于Erlang/OTP语言平台，企业级稳定可靠，完全开源免费，可集群支持大规模物联网、移动互联网连接的MQTT消息服务器。
下载地址：https://github.com/emqtt/emqttd/releases/tag/0.12.0-beta
来自:开源中国社区
