Matthias A Lee

Matthias Lee is a Software Performance Engineer, Technical Lead and Computer Science PhD. Currently at Lead Performance Engineer at Appian. Here are some of his musing, notes and projects.

Migration finally done.

As of late last week I have finally completed the migration away from the previous incarnation of my Drupal-based blog. Even since its initial deployment I found it to be overly complicated for me to get simple things accomplished. I would often think about writing a post but usually got hung up on actually...

Debugging mysql crash on a low-memory VPS

Recently I had a run-in with a seemingly random, occasional crash of mysql on a system with only 512MB of memory. My suspicion was that sometimes mysql runs some cleanup tasks or something along those lines, causing the memory usage to spike and ultimately cause a crash. So I wrote this quick and dirty...