Memory Used By User Processes and Kernel (Excludes Buffers-Cache) (ActualUsed)

This parameter reports the percentage of (logical) free memory available for use by applications on the system rather than the real free memory on the system. It includes the real memory consumed for file-system buffers and page cache.

AIX systems allocate free memory dynamically for use by file-system buffers and page cache rather than wasting the physical memory. Whenever applications need more memory, the memory used by buffers and cache is allocated for use by applications. Hence, the memory consumed by buffers and cache is treated as free memory rather than used memory, on these systems.

Thus, the actual memory available for use can be calculated as follows:

((Used + UsedByBuffersAndCache) / (Total)) x 100

PATROL properties

Attribute

Default value

Application class

IAK_Memory

Command type

Not applicable

Platform

All platforms

Icon style

Graph

Unit

Percent

Border range

Undefined

Alarm1 range

Undefined

Alarm2 range

Undefined

Scheduling (poll time)

Inherits poll time of collector

Active at installation

Yes

Parameter type

Consumer

Value set by

MemoryDataCollector 

TrueSight/ BMC Helix Operations Management  properties

Property

Default value

Monitor type

Memory

Key Performance Indicator

Yes
Graph by defaultYes
AvailabilityNo
StatisticalYes
ConfigNo
Response timeNo
Monitor for
abnormalities
Yes
Normal distributionYes
Application collection statusNo
DeltaNo
Value format (%d)No
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