WP-Admin edit.php & post.php slowdown after import of 10k users

Solved. Had a custom author drop down function that causes a large query loop. add_filter(‘wp_dropdown_users’, ‘cust_dropdown_users’); function cust_dropdown_users($output) { $users = get_users(); $output = “<select id=\”post_author_override\” name=\”post_author_override\” class=\”\”>”; //Leave the admin in the list $output .= “<option value=\”1\”>Admin</option>”; foreach ($users as $user) { $sel = ($GLOBALS[‘post’]->post_author == $user->ID) ? “selected=’selected'” : ”; $output .= ‘<option … Read more