I have some highly floating point intensive processes doing very little I/O. One is called "xspec", which calculates a numerical model and returns a floating point result back to a master process ...
I'm trying to construct an experiment to measure the effect of ionice. What I'd like to do is to (per another answer on serverfault) cause frequent enough I/O that a sufficiently "niced" process is ...
I'm running Sugar Pro, version 5.5.4, on Ubuntu 9.10, Apache 2.2, MySQL 5.1.28, and PHP 5.2.10. I have a module called Process Manager setup and running. I can manually make this go, to send email ...