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What do the PRTG core memory parameters mean?

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On the PRTG Status page, I can find, amongst many other things, a lot of parameters regarding the core system memory. What do they mean?

core-server memory prtg status system-information

Created on Oct 18, 2016 7:51:07 AM by  Martina Wittmann [Paessler Support]

Last change on Oct 18, 2016 11:06:42 AM by  Martina Wittmann [Paessler Support]



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This article applies to PRTG Network Monitor 16 or later.

PRTG Core System Memory Parameters

As an IT pro, you know that managing the memory of your systems is essential for almost everything. That is why prompt information about your system memory usage is always useful. Instead of flipping through your whole system to collect the PRTG related data you need, PRTG has information ready for you.

Note: The information you get refers to the PRTG core server. If you run a PRTG cluster, the information refers to the cluster node you are currently logged in to.

Path And Parameters

Where do you find the memory usage information? Go to Setup | PRTG Status in the PRTG web interface and scroll to Core System Memory.

PRTG currently shows the following 31 parameters:

#ParameterDescription
1CommittedThe amount of memory that your system commits to the PRTG core.
2AllocatedThe amount of memory that the PRTG core is currently using.
3UnusedThe amount of allocated memory that PRTG currently is not using.
4Free PhysicalThe amount of free memory currently available on your core system’s physical memory.
5Total PhysicalThe total amount of memory provided by your core system’s physical memory.
6Free PagefileThe amount of free memory currently available in your system’s pagefile(s).
7Total PagefileThe total amount of memory of your system’s pagefile(s).
8Free VirtualThe amount of free memory available in your core system’s virtual memory.
9Total VirtualThe total amount of memory of your core system’s virtual memory.
10Free EffectiveThe effective amount of free memory on your core system. Corresponds to Free Pagefile.
11Object CountNumber of PRTG internal data structures, also known as tree nodes, for example, number of sensors + users + reports.
12BaseInstanceAmount of memory used for the tree node Instance.
13BaseAccessAmount of memory used for the tree node Access Rights.
14BaseHistoryAmount of memory used for the tree node History of Configuration Changes.
15BaseCurrentAmount of memory used for the tree node Current Configuration Information.
16BaseDataAmount of memory used for the tree node Configuration Data.
17BaseChannelAmount of memory used for the tree node Channel Settings.
18BaseTriggerAmount of memory used for the tree node Trigger.
19BaseIDsAmount of memory used for the tree node IDs.
20BaseLookupAmount of memory used for the tree node Sensor Lookups.
21BaseCheckAmount of memory used for the tree node Check Requests.
22BaseDeplistAmount of memory used for the tree node Dependency List.
23DatasetsAmount of memory currently used for datasets, like for graphs.
24StateAmount of memory currently used for user specific datasets.
25InterfaceAmount of memory currently used for tree node specific table objects.
26IndexCacheAmount of memory currently used for the index dataset cache, which is especially important in a cluster.
27TreeTotalTotal amount of memory used by the PRTG tree.
28DatasetCacheAmount of memory currently used for the dataset cache, concerning especially historic data. In brackets you see the number of datasets saved in the cache.
29StorageSystemAmount of memory space currently used for the storage system.
30SessionsAmount of memory currently used for sessions. A user can activate more than one session. In brackets you see the number of currently activated sessions.
31StateObjectsNumber of user specific state objects found in your core system’s memory.

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Created on Oct 18, 2016 8:04:36 AM by  Martina Wittmann [Paessler Support]

Last change on Oct 18, 2016 11:22:06 AM by  Martina Wittmann [Paessler Support]



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Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.