Elasticsearch - isolate master from data nodes

Elastic Stack Elasticsearch
1

I want to deploy elasticsearch on top of docker but I have only three VMs
Which one is better?

  • One elasticsearch container on each VM with both master and data enabled?
  • Two elasticsearch containers on each VM one for master (only) and one for data (only)?

I have the automation to support both, I just don't know if there is any real benefit to isolate masters from data when they are on the same VM and what resources to allocate for each instance.

2

At this smaller scale there's no real benefit.

3

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