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Is this a bug or a cache related effect? (Or both?)

Maybe it's only me?

Example: On the Related panel of this link there is currently a "Make it funner" related question that's no longer available.

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We cache the "Related" questions to disk, refreshing them periodically, as it's an expensive operation. The deleted question would be removed at some point (I think it's no longer there). –  Jarrod Dixon Jul 8 '09 at 9:12
    
"Some point" meaning after a random amount of activity on that question :) –  Jarrod Dixon Jul 8 '09 at 9:13
    
@Jarrod - was just about to file this again for this question (stackoverflow.com/questions/2192827), which includes the question "How to use several managers and change them by clicking on the link/button in django-admin?" in the related sidebar (stackoverflow.com/questions/2198670), even though that question was deleted on February 16th. Would it be worth running through lists of related questions every once in a while to purge deleted questions, not necessarily to recalculate the entire list. –  Dominic Rodger Mar 8 '10 at 13:01

2 Answers 2

It is possible for related questions to show a deleted question, as those lists are only rebuilt..

  • any time the question or any of its answers are edited
  • any time a new answer is provided
  • randomly 30% chance of rebuilding triggered by page view, once the question is older than 30 days
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Interesting. In the example you give it is fairly recently deleted (yesterday), so it could be cache related; but that is pure conjecture...

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