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v3_CN_OriginCluster

winlin edited this page Mar 5, 2018 · 22 revisions

HOME > CN(3.0) > OriginCluster

OriginCluster

Design

关于源站集群的设计参考Issue#464.

Remark: 源站集群只支持RTMP协议,如果需要HTTP-FLV,可以加一个Edge将RTMP转成HTTP-FLV。

Config

源站集群的配置如下:

vhost __defaultVhost__ {
    # The config for cluster.
    cluster {
        # The cluster mode, local or remote.
        #       local: It's an origin server, serve streams itself.
        #       remote: It's an edge server, fetch or push stream to origin server.
        # default: local
        mode            local;

        # For origin(mode local) cluster, turn on the cluster.
        # @remark Origin cluster only supports RTMP, use Edge to transmux RTMP to FLV.
        # default: off
        # TODO: FIXME: Support reload.
        origin_cluster      on;

        # For origin (mode local) cluster, the co-worker's HTTP APIs.
        # This origin will connect to co-workers and communicate with them.
        # please read: https://github.com/ossrs/srs/wiki/v3_CN_OriginCluster
        # TODO: FIXME: Support reload.
        coworkers           127.0.0.1:9091 127.0.0.1:9092;
    }
}

其中:

  • mode: 集群的模式,对于源站集群,值应该是local。
  • origin_cluster: 是否开启源站集群。
  • coworkers: 源站集群中的其他源站的HTTP API地址。如果流不在本源站,会通过HTTP API查询其他源站是否有流。如果流其他源站,则返回RTMP302重定向请求到该源站。如果所有源站都没有流则返回错误。

Usage

源站集群的用法参考#464

推荐在源站集群前面挂一系列的Edge服务器,参考这里,Edge服务器可以转换协议,支持RTMP和HTTP-FLV,同时支持源站故障时自动切换,不中断客户端。

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