Doug Hardie wrote on 02/18/2016 07:50:
On 17 February 2016, at 17:45, Lowell Gilbert
<[email protected]> wrote:
Doug Hardie <[email protected]> writes:
[...]
Your observations are more useful, but I'm still not sure they indicate
a problem that needs to be solved. There are clearly cases where
significant quantities of swap can get used up storing copies of clean
pages backing files on disk. Unless that slows down bringing in new
pages that need to be read or written, I don't think that's a problem.
Well, the problem is quite significant for me in that eventually the system
runs out of swap and starts killing processes. Its not quite random, but I
haven't spent much time trying to figure out how it selects those to kill. The
specific system unfortunately is remote (about a 3 hour drive) and when sshd
gets killed, I have no option other than having someone go on site to reboot it.
Was sshd ever killed? I think FreeBSD has some "exceptions" implemented
and some processes have higher value - not to be killed so easily.
I had some system without swap and there were many processes killed
every few days, but never sshd.
Miroslav Lachman
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