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 Optimizer on my server. But I haven't found a plugin or workaround to make Batcache works with Zend Optimizer.

Is that a "Zend Optimizer Object Cache Backend" for Batcache? How to make Batcache use Zend Optimizer?

Thank you.

  • This may be relevant to your question: wordpress.org/support/topic/…. Specifically, "Zend Optimizer has time and again not been proven any faster [than] APC."
    – Dan
    Commented Mar 12, 2014 at 18:39

1 Answer 1


Zend Optimizer+, or rather OPcache module as it is formally called included in PHP, is purely opcode cache. It doesn't implement key-value store and cannot be used as object cache back-end in WordPress.

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