I’m using W3 Total Cache 0.9.2.4 on a dedicated server with nginx and APC and memcached enabled.
Page Cache: disk
Database cache: memcached
Object cache: memcached
For homepage, posts and pages everything is fast as lightning (almost). But when doing search (or something else that will not fetch the page from cache) the page takes about 1.2 – 1.6 seconds to be created.
To find out the reason, I’ve enabled debug info. And it says:
<!-- W3 Total Cache: Object Cache debug info: Engine: memcached Caching: enabled Total calls: 4466 Cache hits: 4457 Cache misses: 9 Total time: 0.2191 <!-- W3 Total Cache: Db cache debug info: Engine: memcached Total queries: 21 Cached queries: 21 Total query time: 0.0116 <!-- W3 Total Cache: Page cache debug info: Engine: disk: enhanced Cache key: _index.html Caching: disabled Reject reason: Requested URI contains query Status: not cached Creation Time: 1.282s Header info: X-Pingback: http://www.domain.com/xmlrpc.php Content-Type: text/html; charset=UTF-8 X-Powered-By: W3 Total Cache/0.9.2.4
As you can see object cache takes 0.2191 seconds and database cache takes 0.0116 seconds. But creation time for the page is 1.282 seconds.
How can I find out why the page creation time is 1.282 seconds? It doesn’t seem normal.
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