[mrtg] Watch your load avgs!

Isaac Grover isaac at coe.engr.sjsu.edu
Thu May 10 21:45:24 MEST 2001

Hey everyone,

I wanted to share these errors with everyone in case anyone ever
runs across them in the future.  In my situation, they were
one-time errors but they happened possibly for a couple reasons. 
My SCSI controller and eth0 were sharing an IRQ, 1400+ targets
were being polled via SNMP (no external scripts) spread evenly
over five-minute intervals, and I was experiencing a five-minute
load avg of 8.  BTW, this is solely an mrtg box.

I was already using RRDTool, but I reconfigured the BIOS so the
SCSI controller and eth0 didn't share an IRQ and I enabled
RunAsDaemon on all my configs.  I was impressed with the results:
I went from a load avg of 8 down to 0.05.  =)

Hope this helps someone out there, either now or in the future.

> From isaac  Tue May  8 01:40:08 2001
> 2001-05-08 01:40:05 -- Array found where operator expected at /usr/lib/perl5/5.6.0/AutoLoader.pm line 64, at end of line
> 2001-05-08 01:40:06 --  (Missing operator before ?)
> 2001-05-08 01:40:06 -- Unrecognized character \x08 at /usr/lib/perl5/5.6.0/AutoLoader.pm line 64.
> From isaac  Tue May  8 21:55:39 2001
> 2001-05-08 21:55:35 -- WARNING: Can not determine ifNumber for engr at       ref: 'If'       key: ''

Isaac Grover - isaac at coe.engr.sjsu.edu
SJSU College of Engineering, ECS / Networking
ENG 237, (408) 924-3893

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