I am using Batcache with APC Object Cache Backend so far. A lot of posts on internet claiming that using Zend Optimizer instead of APC would reduce CPU and memory usage. I could enable Zend ...
My understanding is that once you enable the persistent object cache, your transients are no longer stored in wp_options but in the cache. Once I installed Mark Jaquith's APC Object Cache Backend, ...
Asked this question at serverfault, and got confirmation that W3TC is most likely causing the issue, but several of my more W3TC/Wordpress specific issues weren't able to be answered. Reposting ...