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CDM memory definition

Question asked by pmurt on Mar 22, 2019
Latest reply on Mar 22, 2019 by Garin


Hi All,

We have looked at the cdm probe pdf's and was looking at "memory usage", and "physical memory usage" defined:


Memory Usage
QOS_MEMORY_USAGE Megabytes Total memory
usage in megabytes


Physical Memory
QOS_MEMORY_PHYSICAL Megabytes The size of the
physical memory
used on the
system in
Note: For this
metric, the buffer
cache will be
subtracted from
physical memory
value if the key
is set as No. This
support is added
for Linux, AIX,
Solaris and HPUX


Can someone please tell me in common laymans terms what the difference is between the two? Its confusing when the customer are looking at both and getting two different readings.