ELK - single node vs multinode

Elastic Stack Elasticsearch
1

Hi ,
I am currently using single node ELK cluster for monitoring capability .
I would like understand what's the pros and cons of single node vs multi node cluster ?

Thanks,

2

If your single node goes down you lose access to your data. It'll also hit the limit of what it can cope with, in terms of processing and retention.

With multi-nodes you end up with more resilience, as well as more resources for processing and retention.

3

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