How to manage index in AWS ES

Elastic Stack Elasticsearch
1

With more and more logs stored on the Elasticsearch, how to manage the size of logs to make sure it will not end up full disks.

I can think if we can create a cron job to delete the olders indices?

2

Have a look at Curator.

3

I just checked it out. but it was not clear for me that where to add action files

4

It doesn't matter where you place the action files.