William Warren wrote: > set swappiness to zero. That will force the machine to use all > physical ram before swapping for the most part. Also i have heard > that xorg has a memory leak. I do not know if that has been addressed > yet and that could be the cause of your issue. Could you elaborate on that (swappiness) just a bit :-) ? Is this a generic Linux setting, or RH/CentOS specific ? TIA A memory leak *WOULD* cause this kind of thing. SGI had such a problem a few years back in some version or other of their (released) IRIX OS, & X.org just got back into the game, so that's fairly plausible as well. -- William A. Mahaffey III --------------------------------------------------------------------- Remember, ignorance is bliss, but willful ignorance is LIBERALISM !!!!