I think W3 Total Cache only works with older version of eaccelerator, better use APC for substitution.
Based on my experience, I have best performance using APC and disk enhanced:
Pagecache: Disk enhanced
Minify: APC
Database Cache: APC
Object Cache: APC
Hope this helps.
Looks like the plugin works only when editing post, but not when publishing without editing post.
Modifying
add_action(‘publish_post’, ‘wpselect_cache’);
instead of
add_action(‘edit_post’, ‘wpselect_cache’);
works.
I have this problem too, caching with apc for both minify and database is very fast, but page cache is very slow.