We use the HostMIB tree (host) not the UCD-SNMP-MIB tree.
Because HostMIB works across different OSs.
Javier
Jean-Philippe Luiggi wrote:
Hello Javier,
Here's a 'top' output :
Mem: 1035332k total, 933816k used, 101516k free, 87632k buffers
Swap: 1044184k total, 5316k used, 1038868k free, 422428k cached
Then a snmpwalk :
UCD-SNMP-MIB::memIndex.0 = INTEGER: 0
UCD-SNMP-MIB::memErrorName.0 = STRING: swap
UCD-SNMP-MIB::memTotalSwap.0 = INTEGER: 1044184
UCD-SNMP-MIB::memAvailSwap.0 = INTEGER: 1038868
UCD-SNMP-MIB::memTotalReal.0 = INTEGER: 1035332
UCD-SNMP-MIB::memAvailReal.0 = INTEGER: 101648
UCD-SNMP-MIB::memTotalFree.0 = INTEGER: 1140516
UCD-SNMP-MIB::memMinimumSwap.0 = INTEGER: 16000
UCD-SNMP-MIB::memShared.0 = INTEGER: 0
UCD-SNMP-MIB::memBuffer.0 = INTEGER: 87632
UCD-SNMP-MIB::memCached.0 = INTEGER: 422496
UCD-SNMP-MIB::memSwapError.0 = INTEGER: 0
UCD-SNMP-MIB::memSwapErrorMsg.0 = STRING:
If i understood, we report the "UCD-SNMP-MIB::memTotalFree.0", is it wrong
instead to use the following formula ? :
UCD-SNMP-MIB::memTotalReal.0 -
(UCD-SNMP-MIB::memAvailReal.0 +
UCD-SNMP-MIB::memBuffer.0 +
UCD-SNMP-MIB::memCached.0)
If we had access to these different data, we could (using computations) calculate
the value we want to use.
What do you think about this ?
Best regards.
On Sat, Feb 04, 2006 at 01:49:13PM -0300, Javier Szyszlican wrote:
Thats an issue of the net-snmp people.
We just monitor their "Free" OID.
But I know what you are saying and its true, its counting cached as used.
Javier
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