(DI-2208) Collector for SAP Extended Memory

Owned by SNP
Jul 29, 2022
1 min read

The technical name of the Collector for SAP extended memory usage is /DVD/MON_CL_COL_BUFF.

This collector collects information about extended memory usage for each application server of the SAP system. Additionally, it collects memory usage also for extended global memory, which is a subset of extended memory.

Default KPIs delivered with this collector

The following default KPIs are delivered with this collector:

KPI name

Description

Unit

Collected for

Server specification

KPI name

Description

Unit

Collected for

Server specification

EMG_PEAK

All time peak usage of extended global memory

MB

Server

Any server

EMG_TOTAL

Extended global memory total size

MB

Server

Any server

EMG_USED

Extended global memory used

MB

Server

Any server

EMG_USED_P

Extended global memory used

%

Server

Any server

EM_TOTAL

Total size of extended memory

MB

Server

Any server

EM_USED

Used extended memory

MB

Server

Any server

EM_USED_P

Extended memory used

MB

Server

Any server

ROLL_USED_P

Roll area used

%

Server

Any server

 

The total size of the global extended memory (as shown e.g. by the report RSMEMORY) that is actually reserved by Application Server ABAP (AS ABAP) at the start is always higher than the value of em/global_area_MB, since AS ABAP needs to reserve additional space in the EG for ABAP shared objects.