Using beat to monitor everything, we would like to "compact" timeline data after 3 days:
Change time scale from 1 minute to 1 hour . (by an average aggregation).
In order to save disk space.
Any plugin or suggestion?
Why not just change the compression of the index to best_compression?
Otherwise, you'd need to write something to aggregate the data yourself.
Yes this is a solution, but I don't want slower performance.
I am curious to see nothing about that, I believe this is very important for timeline series, maybe I am wrong about the terminology?
Your terminology is correct, it's just not anything the Elastic Stack does at this point 