Collectors

This page will contain information about all Collectors included with MOM including the data collected and configuration information.

HostMemory

This collector gathers general memory statistics about the host.
Setup: Simply add HostMemory to the collectors: property of the [host] section of the mom configuration file.

For example:

[host]
collectors: HostMemory

Data: This Collector provides the following data

mem_available	The total amount of available memory (kB)
mem_unused	The amount of memory that is not being used for any purpose (kB)
mem_free	The amount of free memory including some caches (kB)
swap_in	The amount of memory swapped in since the last collection (pages)
swap_out	The amount of memory swapped out since the last collection (pages)
anon_pages	The amount of memory used for anonymous memory areas (kB)

HostKSM

This collector exposes host KSM statistics as reported in sysfs.

GuestLibvirt

A collector that uses libvirt to gather information about running guests.

GuestQemuProc

This collector provides statistics related to the guest’s host QEMU process.

GuestNetworkDaemon

This collector communicates over the network with a program running on the guest to gather guest memory statistics.