Zookeeper在两个节点上运行 [英] Zookeeper running on two nodes

问题描述

我遇到的情况是Zookeeper被配置为2个节点，但有时它同时开始在两个节点上同时运行.为什么会发生这种情况?

解决方案

要与主从体系结构集成，您需要使用奇数个zookeeper服务器.ie {1、3、5、7 .... etc}.3的集合可以处理一个服务器崩溃..类似地，5的集合可以处理2个服务器...等等.

当您尝试创建2个服务器的集合时，zookeeper实际上无法将其理解为一个集合，并且无法将每个服务器视为一个单独的集合.

这里唯一的解决方案是运行另一个Zookeeper服务器并将第三个服务器添加到该组中.或者您也可以只运行一个服务器.要查看如何使3个pls集成，请检查:什么是Zookeeper端口及其用途?

I have a situation where Zookeeper is configured for 2 nodes but at times it starts running on both the nodes simultaneously. Why this might be happening?

解决方案

To make an ensemble with Master-slave architecture you need to have odd number of zookeeper server .i.e.{1, 3 ,5,7....etc}. Ensemble of 3 can handle the one server crash ..similarly ensemble of 5 can handle 2 server ...so on .

When you are trying to create an ensemble of 2 servers ,zookeeper actually cannot understand this an ensemble and taking each server as individual ensemble.

The only solution here is to run another zookeeper server and add the 3rd one to this group.Or you can run only one server .To see how to make an ensemble of 3 pls check : what is zookeeper port and its usage?

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