[wp-trac] [WordPress Trac] #11843: htaccess pointing to wordpress makes CPU overload

WordPress Trac wp-trac at lists.automattic.com
Sat Jan 9 22:11:17 UTC 2010

#11843: htaccess pointing to wordpress makes CPU overload
 Reporter:  cisoprogressivo  |       Owner:                     
     Type:  defect (bug)     |      Status:  new                
 Priority:  normal           |   Milestone:  Unassigned         
Component:  General          |     Version:  2.9.1              
 Severity:  normal           |    Keywords:  htaccess, premalink

Comment(by Denis-de-Bernardy):

 I don't think the transient would change much, since the function isn't
 supposed to get called on the front end.

 My initial thought was verbose rewrite rules, but health check ruled that
 out. Then the couple suggestions I posted in #11845, which usually help.

 Next in line would be, the rewrite rules getting re-created on every page
 load for some reason. I recently had that on my own server while debugging
 my object cache. Things got very resource intensive when it occurred, and
 it was very hard to track down.

 Last options I can see are large numbers of 404 errors (such as
 favicon.ico requests), or a plugin that is messing around with the various
 permalink filters.

Ticket URL: <http://core.trac.wordpress.org/ticket/11843#comment:12>
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