Docker群模式如何进行负载平衡？ [英] How Docker swarm mode does load balancing?

问题描述

在docker swarm模式（docker engine 1.12+）下，对于服务，什么是负载均衡算法？

In docker swarm mode (docker engine 1.12+), for the service, what is the load balancing algorithm?

它可插入吗？

假设它是循环式的，是否仍然需要高水平的负载平衡器？由于高级负载均衡器使用了哪种路由算法，负载将平均分配到每个节点。

Assuming it is round-robin, is it still needed for a high level load balancer? Since whatever routing algorithm the high level load balancer is using, the load will go to each node evenly.

推荐答案

该算法当前轮循，我还没有迹象表明它是可插入的。较高级别的负载均衡器将允许拆除群集节点进行维护，但是在群集模式下，轮询算法将撤消任何粘性会话或其他路由功能。

The algorithm is currently round-robin and I've seen no indication that it's pluginable yet. A higher level load balancer would allow swarm nodes to be taken down for maintenance, but any sticky sessions or other routing features will be undone by the round-robin algorithm in swarm mode.

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