John R Pierce wrote:
tblader wrote:
[2]$ cat /proc/meminfo MemTotal: 7128956 kB MemFree: 2132556 kB Buffers: 556832 kB Cached: 2821408 kB
you do realize, out of that 7GB of ram, 2GB is unused entirely, and 2.8GB is being used as disk cache, another 500MB as buffer space... so in fact program memory usage is down around 2-3GB ?
Thanks for breaking that down. No I'm not all that familiar with swap details so it helps to have some insight. The box flatlined around 3am on Monday morning and memused (sar) was around 96%. All the swap space was untouched. Maybe every process running was active, and unable to be swapped, so the box just up and died when a request came in to allocate more ram. I just don't have enough of an understanding of swap to say that was what happened. I do remember a day when you could heat a small room with the swap activity generated on earlier 2.x kernels, but things seem much different with 2.6.
Thanks for your insight, Thomas