On Nov 19, 2008, at 11:49 AM, Jeremy Chadwick wrote:
On Wed, Nov 19, 2008 at 10:57:50AM -0500, John Almberg wrote:
I just noticed something odd and am looking for ideas...
As you can see from the top snippet below, snmpd is getting
hammered by
something. As a comparison, the load averages for this quad-core
box are
usually close to zero.
I'm not even sure I'm using snmpd for anything... not even sure
what it
is, precisely.
I'm digging into docs at the moment, but any ideas much appreciated.
I'm greatly concerned by the fact that you have a process on your
machine taking up 103% CPU time (possible on a quad-core machine),
taking up 2621MBytes of memory (RSS), yet you have no idea what it is,
what SNMP is, or why said process is running on your machine. :-)
That's an easy one to answer... Someone else installed FreeBSD on
this machine. I have figured out MOST of what is on this box, but I'm
occasionally surprised, like in this case.
However, now that I've read through the installer's notes, I see that
he had exotic plans for snmp monitoring. From what I can tell, he
never got it working properly.
In the meantime, I killed off the process. I had to take a
sledgehammer to it, since a normal stop didn't work:
[EMAIL PROTECTED]:log]> sudo /usr/local/etc/rc.d/snmpd stop
Stopping snmpd.
Waiting for PIDS: 45136t, 45136op, 45136, 45136, 45136, 45136, 45136,
45136, 45136, 45136, 45136, 45136, 45136, 45136, 45136, 45136, 45136,
45136, 45136, 45136, 45136, 45136, 45136, 45136, 45136, 45136, 45136,
45136, 45136, 45136, 45136, 45136, 45136, 45136, 45136, 45136, 45136,
45136, 45136, 45136, 45136, 45136, 45136, 45136, 45136, 45136, 45136,
45136, 45136, 45136, 45136, 45136, 45136, 45136, 45136, 45136, 45136,
45136, 45136, 45136^C
[EMAIL PROTECTED]:log]> sudo kill -SIGKILL 45136
This makes me wonder if the process was just hung in some bad way,
eating up cpu cycles?
Out of curiosity, I then restarted it. It seemed to run without
problem after the restart, but after watching it for awhile, I
stopped it again. I don't think it's doing anything useful at the
moment.
Now I'm curious about snmp, so perhaps I'll try to figure out how to
get it to something useful. This machine has 8 hard drives, and is
located in Manhattan, so I would certainly like to be informed if one
of the raid drives went on the blink. That was one of the things he
was trying to get working.
Thanks: John
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