John Adams’ views on emerging technologies, software engineering, and various hacks
Last Tuesday, I was part of the Velocity 2009 Keynote, where I gave a talk entitled, “Fixing Twitter”. I covered the last year or so of work in improving Twitter to deal with the massive traffic and user loads we’ve been under and how we use metrics to destroy the fail-whale.
Details of the talk are [...]
Frequently you want to predict when things are going to happen, and if it’s not the end of the world, it might be something occurring a bit sooner, such as your disk filling up.
First capture some data, with cron. We’re going to capture the free space in our database, once a day, so we’ll put [...]
