function debugging() {
    global $wp_object_cache;

    $tmp = wp_suspend_cache_addition(true);
    error_log ( "--------------" );
    foreach ($wp_object_cache->cache as $group => $cache)
    {
            error_log ("$group - ". count($cache)  ." items");
    }
    error_log ( "--------------" );
    $discarded = get_posts ('post_type=wpsc-product&numberposts=50');
    error_log ( "--------------" );
    foreach ($wp_object_cache->cache as $group => $cache)
    {
            error_log ("$group - ". count($cache)  ." items");
    }
    error_log ( "--------------" );

    wp_suspend_cache_addition($tmp);

}
add_action ( 'init', 'debugging' );