It’s possible to replicate your wordpress mysql database to Google App Engine using App Rocket. I think you get 10 Google App Engine apps per account so in theory you could replicate your database 10 times and serve reads from app engine via a json or xml api.
20 Jan
WordPress Admin Optimization
wp-load takes a fair chunk. This could be knocked down.
menu.php takes a big chunk. This could be cut down by making a menu which uses jquery for current classes on ids.
20 Jan
WordPress Mu Best Cache Supercache vs Batcache vs DB Cache Reloaded vs W3 Total Cache
Which is the best wordpress cache for wpmu? (assumes you already have opcache of course)
20 Jan
Dashboard Load Time MySql
Dashboard load time on one of my WPMU installs was taking a real long time to load and causing issues with my php-fpm. The problem was actually the MySql query time.
12 Jan
Shardb Multiple Databases for WPMU – HyperDB Alternative
Shardb could be a life saver. So far my personal results look very promising.
21 Dec
How To Host WordPress Mu
WordPress Mu has a number of hosting options including shared hosting, dedicated hosting, and vps hosting.
This blog will go through these simple options plus also advanced scalability issues and clustering.