Do I need to clear all scroll id when get difference scroll id in mutiple scroll request?

Elastic Stack Elasticsearch
1

I know in every scroll request we may get difference scroll id,, when I have a list of difference scroll id, need clear all of them?

I see search-scroll api example in elasticsearch guide, just clear recently scroll id.

2

No you only need to clear the last one.

3

ok, thanks for your reply.