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Jun
24
awarded  Popular Question
Jan
20
awarded  Student
Jun
14
comment APC 500 Internal server error
Chris, APC settings were at the default values, and I'm using Super Cache. You are right, probably when the cache files expired they were still cached by APC, and occupied memory. I'll check it till tomorrow with the raised shm_size, then try adjusting the ttl values.
Jun
14
comment APC 500 Internal server error
Thanks for the answer, but since the whole site works fine for a while, then all pages return a 500 error, and there are no error messages in the logs, and disabling APC solves the problem, this is not a .htaccess problem.
Jun
14
comment APC 500 Internal server error
And I need to re-enable it on the WP vhost to have it's data included in apc.php, APC runs fine with the other sites (they have lower traffic though).
Jun
14
comment APC 500 Internal server error
Thanks for the idea. Yes, I have Munin on the server and added the php-apc module just now. Right now the issue seemes to be that APC ran out of memory, so I'm trying it now with an increased shm_size.
Jun
14
comment APC 500 Internal server error
Yes, I have, but for that I have to re-enable APC, wait for it to "crash" again, and not restart apache until I dump all of the data. This is problematic for a site with that much traffic.
Jun
14
awarded  Editor
Jun
14
revised APC 500 Internal server error
added 59 characters in body
Jun
14
asked APC 500 Internal server error