Red Green Performance Testing with The Grinder

No, not that Red Green! Even a thoroughly-tested application can wreck havoc if it hasn’t been tested in the context of a production-like system under production-like conditions. Tools like Puppet and Chef make it easy to produce a production-like environment for testing, but what about the production-like conditions? One aspect of these conditions can be […]

Is Your Application Running with Ruby – Slow?

The problem that this post describes has now been fixed in RVM stable (1.17.0). To diagnose performance issues, be sure to check the options that Ruby was compiled with:ruby -rrbconfig -e 'puts RbConfig::CONFIG["CFLAGS"]' The Situation While working with Patrick Bacon, migrating a large Ruby (ruby-1.9.2) web application from an older Solaris system to a new […]