Question on Swapping
bc979 at lafn.org
Sun Aug 1 08:30:02 UTC 2010
I have a question about what I am seeing on several servers. These are 4 core machines with more than the needed memory. Load is never above .5 and memory usually shows over half free. I have never seen it even close to the limit (including buffers). Basically these are lightly used servers. However, top often shows after a few weeks of uptime that some of the unused gettys are swapped out. I didn't really expect this as lack of memory is not an issue. Is there something in FreeBSD 7 and 8 that causes a process thats idle for very log times to get swapped out? I haven't seen anything like that in the various documentation files, but it sure looks like thats the case.
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