In the past few weeks, I’ve helped some of my friends move their WordPress blogs to new servers. One of them had a consistent problem with their host because WordPress was hogging cycles on the shared server. We implemented the WP-Cache plugin, and things got better in minutes.

Jeff Atwood has written a terrific article about the perils of using WordPress without caching.

I’ve been thoroughly impressed with the community around WordPress, and the software itself is remarkably polished. That’s not to say that I haven’t run into a few egregious bugs in the 2.5 release, but on the whole, the experience has been good bordering on pleasant.

Or at least it was, until I noticed how much CPU time the PHP FastCGI process was using for modest little old blog.stackoverflow.com.

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