this post was submitted on 18 Jun 2023
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Reddit Migration

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Strange phenomenon while deleting my comments (kbin.social)
submitted 1 year ago* (last edited 1 year ago) by XiELEd@kbin.social to c/RedditMigration@kbin.social
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Last night, I used Redact to delete all my comments, then altered the settings to make an exception for one and only one subreddit. To check if I even had comments left in that subreddit, I kept an eye on my comments through Infinity. At first the comments were being deleted one by one, then suddenly it showed a "No comments found" screen half-way through the deletion. So I looked through a post in that subreddit where I entered a discussion, and it turns out that my comments there were still up, despite my comments tab showing nothing. I then checked RiF and it didn't show my comments through my profile. Today (after having deleted everything), I checked through my comments in my post in another subreddit, and it turns out they were still up, despite the fact that I didn't make exceptions for it. Still found no comments through my profile.

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[–] abff08f4813c@kbin.social 12 points 1 year ago (6 children)

Folks, it's not that Reddit is undeleting comments or anything. I fought this all day today (see https://kbin.social/m/RedditMigration/t/45417/Anyone-have-experience-with-deleting-comments-to-see-older-comments#entry-comment-190482 ) and I figured out exactly what is happening.

Reddit is so dumb! They have an 1000 limit (on posts, comments, saved, etc). See for example https://news.ycombinator.com/item?id=17647915 and https://stackoverflow.com/questions/42940262/getting-more-than-1000-search-results-upper-bound-with-praw and even in PRAW's own docs, for example in https://praw.readthedocs.io/en/v3.6.2/pages/getting_started.html

Any single reddit listing will display at most 1000 items.

So what happened is that redact.dev can only delete the most recent 1000 comments of OP. But those subreddits have comments from OP beyond the limit, which no longer display in OP's own profile/comment views.

https://shreddit.com/ reports the same thing but they are more open about it.

They explicitly say that you need to give them an archive upload (from reddit's data retrival request) in order for shreddit.com to delete everything.

[–] XiELEd@kbin.social 1 points 1 year ago* (last edited 1 year ago) (3 children)

That may be the case, so I think it's a temporary answer to this mystery. Though recently some of my comments ranging from 7 and 10 months ago (update: as of 6/19/23 my 18 days old comments are now reappearing) have been reappearing again, so it's become a kind of a whack-a-mole situation right now.

[–] abff08f4813c@kbin.social 2 points 1 year ago (2 children)

There's hope I think, someone pointed me to a script on github that uses Pushshift's api and archive to bypass the reddit limit and get everything everything. See https://kbin.social/m/RedditMigration/t/47320/PSA-If-you-have-more-than-1000-posts-more-than#entry-comment-202228

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