--On Wednesday, August 18, 2010 14:14:25 -0400 Aleksandr Miroslav
<alexmiros...@gmail.com> wrote:
On Wed, Aug 18, 2010 at 1:41 PM, RW <rwmailli...@googlemail.com> wrote:
Is there any particular reason you want to know? Free memory isn't a
very meaningful concept in FreeBSD.
I have a webserver that had it's Apache killed this morning. The box
itself had been stable for several years, as well as the Apache
instance. The error that I saw in /var/log/messages was something along
the following:
"pid 1234 (httpd), uid 100, was killed: out of swap space"
So I went to check what was eating up the swap,
The problem itself was tracked down fairly easily, someone had added a
shelt script to cron (/home/user/foo.sh) and had mistakenly put the full
path to the script into the script itself -- essentially creating a
forkbomb.
But while I was in the middle of debugging this and noticed that line
from the logfile, I spent more time than necessary trying to figure out
exactly how much swap/memory was being used, and who was using it.
man (8) pstat
pstat -s -m
Device 1M-blocks Used Avail Capacity
/dev/ad8s1b 8192 0 8191 0%
--
Paul Schmehl, Senior Infosec Analyst
As if it wasn't already obvious, my opinions
are my own and not those of my employer.
*******************************************
"It is as useless to argue with those who have
renounced the use of reason as to administer
medication to the dead." Thomas Jefferson
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