I have heard of many users having this problem.
Reddit Migration
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I think it may just be Reddit being inferior software, but it happened to me, too. I have been Googling “Reddit “ and my username, deleting what comes up, and doing the search again in a couple of days to see if it stuck. (Deleted comments will show up on Google for a few days because of caching, so there’s no point in checking immediately). It takes a while, but it’s fairly reliable, and it can be done in small batches.
Regardless, using Shreddit + my GRPD export is working! It's slow, but it's absolutely working!! I'll let it continue to run overnight and that should be that! =)
Mine ran pretty much constantly from thursday night to this morning to remove 60k comments (although script crashed once on Friday and Sunday at0200 for isp.resets while I was asleep so not quite full time)
(One tip if it does stall make a note of the comment I'd it stopped on and clean out the copy of the comments.csv the script uses above that point. That way it is not starting again)
Ok, it did stall after about 16,000 comments. Is it ONLY the comments.csv files that needs to be edited because there's another file (comments_headers.csv) that seems important. LOL
Assuming your using the https://github.com/andrewbanchich/shreddit script then it uses the comments.csv as it's reference not headers. If you are doing posts as well then that uses Posts.csv
This is a known problem: https://kbin.social/m/RedditMigration/t/47320/PSA-If-you-have-more-than-1000-posts-more-than
Also, you won't be able to delete anything in private subreddits.
Ask Reddit for your data. Until then, this might still work: https://kbin.social/m/RedditMigration/t/59451/Finally-Managed-to-erase-all-1477-of-my-comments#comments
and after you get your GDPR files from Reddit, you can do this: https://kbin.social/m/RedditMigration/t/164034/Automated-ways-of-removing-reddit-content
TL;DR: you'll need the permalinks for older comments if you want to delete them using a script. Otherwise, you'll have to google them and manually delete everything.
Also, if anyone's wondering, the format for an extracted comments.csv from the GDPR files you'll get from reddit is just a flat text file. The first line is (explicitly)
id,permalink,date,ip,subreddit,gildings,link,parent,body,media
and every entry that follows is the id, permalink, etc. so it might be possible to dummy up a comments.csv file by extracting stuff from an archive (as described in the second link above) and use the shreddit program from the third link if you wanted to delete things while waiting for Reddit to fulfill your data request.
Well, shit. Thank you for the explanation. Sounds like Reddit is actually being a dick! I'll figure this out one way or another.
I just played around a bit and noticed old comments appear when I sort my user profile by top or controversial of all time. Going do delete those manually tomorrow, though I have no idea if these are all. Comments are >4yrs old and definitely behind the assumed 1,000 comment limit.
You can get your top 1000 (only updates as comments are voted) your comteqverisal 1000 and newest. So you should be able to see your most popular. In theory if they were all different you could see 3000 comments but they is likily.overlap. Reddit doesn't bump any into new if you delete and doesn't go looking for votes on delete either.