Currently my company has 3 blogs and what I did was to install three instances of wordpress over Apache/MySQL, in different directories. The problem is that I have a Slicehost VPS with 256Mb RAM with Ubuntu8.04 and MySQL is crashing Linux or making it very slow and unresponsive. Is there some kind of optimal setup for this scenario? I know that my server is too cheap but I'm not sure either if an upgrade to 512 will fix things.
I'm thinking about migrating to nginx, but what about MySQL? Is there any solution to this? Is this the right site to post this question or is it