net-snmp - Crazy figures for swap & interrupts?
kpielorz_lst at tdx.co.uk
Tue Jul 23 10:57:11 UTC 2013
We've got a number of 9.x machines - just setup a new 9.1-RELEASE-p4 amd64
system, put net-snmp on it (net-snmp-5.7.2_3) - and we're getting 'weird'
results for some stats, e.g.
UCD-SNMP-MIB::ssSysInterrupts.0 = INTEGER: 1145324516 interrupts/s
UCD-SNMP-MIB::ssSwapIn.0 = INTEGER: 1145324612 kB
UCD-SNMP-MIB::ssSwapOut.0 = INTEGER: 1145324593 kB
That's an insane number of interrupts/second (systat shows 200-300 total) -
also ssSwapIn.0 is 'The average amount of memory swapped out to disk,
calculated over the last minute.'.
The machine isn't swapping - and had 784k swapped out (according to Top) -
it's lightly loaded (LA 0.02) w/3Gb memory 'free' and 3Gb inactive.
Any idea where net-snmp is getting those figures from, or why? - Or better
- how to fix?
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