how to see files in queue

Is there a way to see the files in queue? I have a folder and i noticed that its almost 7 days that the new files werent indexed. I would like to see if they are in queue to be. I noticed that I have more than 700.00 files in queue, and its number dont decrease too much.

It’s .crawler.queue index.
You can check indexed documents in it by elasticsearch query DSL.

If you stop crawler manually or the like, data in the queue remains.
To delete them, click Clear .crawler indices in Maintenance page.