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See also, previous discussion 10 months ago: https://news.ycombinator.com/item?id=8275970 (138 comments)

Thanks, we missed this one.

When a story has had significant attention within the last year or so, we bury reposts as dupes. After that, reposts are fine.

https://news.ycombinator.com/newsfaq.html

Isn't this meant to happen automatically? I submitted it assuming HN would tell me if it had been posted before.

Sometimes it does, for me.

It depends on whether the urls exactly match and also on what happens to be loaded in RAM on the server—which gets increasingly non-deterministic as you go back in time.

We're planning to work on better duplicate detection, but the problem is hard to solve well and we don't like to solve things not-well, so it may take a while.

That is annoying

I'm not suggesting you shouldn't discuss it again here, obviously. Just that as I was reading it, I felt I'd read it once before... and I had.

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