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An answer of mine was downvoted and instead of decreasing my rep by 2 points it increased by 2 points. The downvoter removed his downvote. I did a recalc and the 2 points were removed from my rep.

This looks like a bug.

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On what site? What you see in the reputation tab of your profile page? – Shadow Wizard Apr 4 '12 at 7:23
@ShaDowWizArd: On I didn't see anything in the reputation tab. Maybe I did not wait long enough. – juergen d Apr 4 '12 at 7:24
Hmm.. where exactly did you see that +2 of reputation? – Shadow Wizard Apr 4 '12 at 7:41
@ShaDowWizArd: On the top bar of the Stackoverflow site and on my profile site. – juergen d Apr 4 '12 at 7:50
Hmm.. maybe race condition in the new reputation calculation system. OK, I leave it for mod/dev to investigate. :) – Shadow Wizard Apr 4 '12 at 7:53
On which user? On SO I see no recalc that lowered your reputation in the past several days...I do however see a recalc that increased your reputation, after a post which had a downvote was deleted. – Nick Craver Apr 4 '12 at 11:54
@NickCraver: I am talking about this user: juergen d. I noticed the decribed behaviour while answering to this question:… – juergen d Apr 4 '12 at 12:19
@NickCraver: After the downvote my rep increaded from 6017 to 6019. A few minutes later the downvoter removed the vote. After that I triggered a recalc and the rep got back to 6017. – juergen d Apr 4 '12 at 12:21
up vote 9 down vote accepted

This happened because the post in question was deleted then undeleted. When either of these happens we sync up rep within 5 simply did not wait 5 minutes.


  • 2012-04-04 06:51:47Z Post was downvoted (-2)
  • 2012-04-04 06:52:34Z Post was deleted
  • 2012-04-04 06:53:37Z Rep sync performed (+2)
  • 2012-04-04 06:54:29Z Post was undeleted
  • 2012-04-04 06:55:24Z Post was undownvoted (+2 - not correct, that's why we perform a sync)
  • 2012-04-04 06:57:52Z You triggered a rep recalc (-2)
  • 2012-04-04 06:58:35Z The system would have done the same -2 adjustment

Everything is working as it should here, you simply didn't wait for the 5 minute time period, which is how often we process these sync batches.

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