Hello,
I am using up2date Debian etch with 2.6.21.5 kernel and snmpd 5.2.3-7. I
am trying to monitor total free memory through snmp. Below is a simple
output:
---- CUT HERE ----
# snmpwalk -c <community> -v 2c localhost memory && free
UCD-SNMP-MIB::memIndex.0 = INTEGER: 0
UCD-SNMP-MIB::memErrorName.0 = STRING: swap
UCD-SNMP-MIB::memTotalSwap.0 = INTEGER: 3903672
UCD-SNMP-MIB::memAvailSwap.0 = INTEGER: 3903624
UCD-SNMP-MIB::memTotalReal.0 = INTEGER: 2076132
UCD-SNMP-MIB::memAvailReal.0 = INTEGER: 91948
UCD-SNMP-MIB::memTotalFree.0 = INTEGER: 3995572
UCD-SNMP-MIB::memMinimumSwap.0 = INTEGER: 16000
UCD-SNMP-MIB::memShared.0 = INTEGER: 0
UCD-SNMP-MIB::memBuffer.0 = INTEGER: 207036
UCD-SNMP-MIB::memCached.0 = INTEGER: 1509916
UCD-SNMP-MIB::memSwapError.0 = INTEGER: 0
UCD-SNMP-MIB::memSwapErrorMsg.0 = STRING:
total used free shared buffers cached
Mem: 2076132 1984184 91948 0 207036 1509916
-/+ buffers/cache: 267232 1808900
Swap: 3903672 48 3903624
---- CUT HERE ----
As you can see UCD-SNMP-MIB::memTotalFree.0 is wrong. free reports
correct values. Is it a known issue and if yes is there any known
workaround? Is this _BUG_ related to snmpd or kernel? Any information is
appreciated.
Thanks in advance,
George
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