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XF 1.3 Deferred.php Running Ever Second


Well-known member
OK, this is one I just can't seem to figure out.

Deferred.php is running once a second for every user on the site.

Any guesses about what might be causing it out there?


XenForo developer
Staff member
Temporarily rename deferred.php or remove the "RunDeferred" bit from PAGE_CONTAINER. What's in the xf_deferred table?

If there are tasks that are pending, then deferred.php will be called until they're resolved.


Well-known member
Thanks Mike!

I think you hit the nail on the head there.

There's an add-on that constantly has 3 tasks in the deferred table and that seems to be causing the system to run amok.


Well-known member
After disabling the add-on's cron task and clearing the deferred table of it's tasks, the server has gone from a load of high 2.x's and low 3.x's to this...


Which is where it should be.

Thanks again Mike! :D


Well-known member
Since the add-on was mentioned, I think it's only fair to say the author has corrected this in the next release of the add-on.

It's been tested on the site that had the problem and all is fine now.