Change Elasticsearch configuration

Elastic Stack Elasticsearch
1

Hi, I used Elasticsearch without shard&Replication configuration.
(Because I used only for saving some logs)

The data are increasing, So now I want to use shard & Replication.

I already have been using 3TB. Is it possible to change configuration?
(Now - 1 cluster, 3nodes)

Thank you.

2

You may need to clarify what you mean here. You have to have shards to have data in Elasticsearch, so saying you don't have it configured doesn't make sense sorry.

3

I agree with warkolm.
Even if you only save the log, the node must have a shard for it to work.

If you're confused about the terms,
I recommend reading this

4

I mean, I used default configuration(1 shard, 1 replica)
Is it possible to change this configuration?

5

Yes it is. You can define that in a template or in a mapping. https://www.elastic.co/guide/en/elasticsearch/reference/current/index-modules.html has some guidance there.

6

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