[wp-hackers] XCache Variable Storage vs. WP Object Cache

[Matt Mullenweg]

Mark Jaquith wrote:
> The build-in WP object cache (which you enable by     
> define('ENABLE_CACHE', true);    in wp-config.php) uses the filesystem 
> to store the data.  Sometimes you get a speed benefit as compared to 
> having to do the SQL queries on every load, but sometimes you don't 
> (which is one of many reasons why it isn't enabled by default).

It can be pretty potent when combined with other plugins though, which 
reminds me I have some stuff to clean up and release.

-- 
Matt Mullenweg
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