CPU Load shows CPU used - high is bad. Memory shows Memory available - high is good.
Is there a way to create a sensor or channel for Memory used (high is bad)?
Thanks in advance - JD
Article Comments
I think I have a method for getting percentage used by creating a Sensor Factory sensor.
I've created a custom sensor that uses the percentage available memory channel from the physical memory sensor.
Channel Definition:
#1:Percentage Used Memory
100 - Channel(3901,0)
Where 3901 is the ID of the physical memory sensor and 0 is the ID of the percentage available memory channel.
Feb, 2014 - Permalink
You should be able to see the available memory with this script in Powershell:
#For this sensor you will need to put in the server name or IP into the parameters to fill in the $args[0]
$computer= $args[0]
$availmem = Get-wmiObject -class Win32_PerfFormattedData_PerfOS_Memory -computername $computer -namespace root\CIMV2 | select-object -expand AvailableKBytes
$availmem = ($availmem * 1024)
$totalmem = Get-wmiObject -class Win32_PhysicalMemory -computername $computer -namespace root\CIMV2 | select-object -expand Capacity
$usedmem = ($totalmem | Measure-Object -SUM).Sum
$usedmem = (($usedmem-$availmem)/ 1073741824) -as [single]
#write-host = $usedmem ":" $usedmem "GB Used"
write-host ("{0}:{0} GB Used" -f $usedmem)
Feb, 2014 - Permalink
HI,
I have done as per above to get the memory utilization, but my max utilization shows a value of 863998100%. I can't find any settings to make that 100%. Any ideas ? Thanks
Aug, 2018 - Permalink
Hi there,
Please enable the spike filter in the channel settings of the "Memory Utilization" as described here:
https://blog.paessler.com/how-to-filter-spikes-from-graphs-in-prtg
Best regards.
Aug, 2018 - Permalink
There aren't any memory sensors that are able to do this natively in PRTG but it would be possible to do this with a custom SNMP or WMI sensor possibly. What type of server are you looking to monitor?
Feb, 2014 - Permalink