[ic] "Stuck" IC process won't die

[DB]

> Now and then I notice a "stuck" interchange process which even a kill -9 
> wont get rid of. These odd processes seem to inflate my system's load 
> average.
> 
> Can someone suggest a way to kill these short of a reboot? Or better 
> yet, a way to diagnose why they're occurring in the first place?
> 
> This is a new machine with a fresh install of Centos 5.1 and IC 5.4.2
> 
> from ps -ax:
> 12608 ?        D      0:09 interchange
> 13443 ?        D      0:21 interchange
> 
> 
> Any thoughts are welcome.
> 
> DB

I noticed that my cleanup cron job wasn't working. My 
....catalogs/store/tmp was up to 75 GB  (yes!!)

Could this oversight explain my issues, and if yes, why is a huge tmp bad?


DB