在现有的Solr DC中禁用虚拟节点 [英] Disabling virtual nodes in an existing Solr DC

问题描述

我有一个具有以下拓扑的现有集群:

I have an existing cluster with the following topology:

1. DC Cassandra:2个节点
2. DC Solr:5个节点

当前所有节点都使用vnode.我想出于性能原因禁用Solr DC中的vnode.

All of the nodes currently use vnodes. I want to disable vnodes in the Solr DC for performance reasons.

根据此文档，禁用vnodes:

According to this document, to disable vnodes:

1. 在cassandra.yaml文件中，将num_tokens设置为1
2. 取消注释initial_token属性并将其设置为1或多节点群集的已生成令牌的值.

这就是我所要做的吗?(没有维修，没有清理，什么都没有?)对于我来说似乎太过真实了.

Is this all that I need to do? (no repair, no cleanup, no anything?) Seems too good to be true for me.

对于令牌分配，我应该使用python代码在此处找到(针对Murmur3)还是应该重用该节点当前拥有的vnode中的现有令牌之一?

As for token assignment, should I use the python code found here (for Murmur3) or should I reuse one of the existing tokens from the vnodes that the node currently has?

推荐答案

禁用vnode的唯一方法是:

The only way to disable vnodes is to do: http://www.datastax.com/documentation/cassandra/1.2/cassandra/configuration/configVnodesProduction_t.html
in the reverse. Make a new Solr dc with vnodes off and switch over to it.

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