I am writing the config script file to enable the following CPU resource 
metrics:

CPU Utilization > 50% (actual number varies in the following experimental 
script)
RAM Utilization > 50% (actual number varies in the following experimental 
script)
Disk Utilization > 50% (actual number varies in the following experimental 
script)

Here is the my snmpd.conf file, so far I got the CPU monitoring and Disk 
monitoring working properly, but memory monitoring does not work at all ( it 
does not send the trap message to trap receiver):

master yes
rwcommunity public
syslocation "My Office"

createUser traptest MD5 "zhaozhao" DES
iquerySecName traptest
rouser traptest

authtrapenable 1
trapcommunity public

defaultMonitors yes
trap2sink localhost
trap2sink 192.168.0.86

load 0.7 0.7 0.7
disk / 90%

#this directive works properly as well
#monitor -s -r 10 highprocessorload hrProcessorLoad > 5
#but this directive does not
monitor -s -r 10 highmemoryusage hrStorageUsed.1 < 1000000

The Linux OS I am using is Ubuntu running on VM, whose basic config. is 2 
cores, with 2 G memory and 100 G disk.  The version of the snmpd is 5.4.2.1.

Here are my questions:
How to get the directive "monitor -s -r 10 highmemoryusage hrStorageUsed.1 < 
1000000" work?
Is there other way to monitor the memory usage besides the hrStorageUsed (A 
directive similar to "disk" is preferred)?
In the directive "load 0.7 0.7 0.7", what is the meaning of 0.7?


Regards.

Hui Zhao

Software Engineer
Selex Systems Integration Inc.


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