> -----Original Message----- > From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On > Behalf Of Robert Nichols > Sent: Thursday, July 21, 2011 14:32 > To: centos at centos.org > Subject: Re: [CentOS]Memory Usage in Top and System Monitor? > > On 07/20/2011 07:09 PM, Michael McNulty wrote: > > I think I found my problem. I did not realize using /dev/shm as a > ramdisk will > > create swap space. Is there a way to prevent the ramdisk from > swapping to disk? > <SNIP> > If > programs and I/O buffers need more than the other memory you have > available, what option is there besides swap? > "what option is there besides swap [to disk]?" Compcache, Compressed Caching for Linux? But last I read, it needed a newer kernel than was in 5.x. So no I have not tried it. :)