Collector for Oracle Memory Info
The technical name of the Collector for Oracle Memory Info is /DVD/MON_ORA_CL_COL_MEM.
This collector collects memory details of the Oracle database server. Some predefined KPIs with memory information are provided, but you can define and map additional KPIs via the collector input table.
Default KPIs Delivered with This Collector
The following default KPIs are delivered with this collector:
KPI name |
Description |
Unit |
Detail table |
---|---|---|---|
ORA_MEM_BUFFER_CACHE |
Oracle: Buffer cache size |
MB |
No |
ORA_MEM_FREE |
Oracle: Free memory size |
MB |
No |
ORA_MEM_FREE_P |
Oracle: Free memory |
% |
No |
ORA_MEM_JAVA_POOL |
Oracle: Java pool size |
MB |
No |
ORA_MEM_LARGE_POOL |
Oracle: Large pool size |
MB |
No |
ORA_MEM_SHARED_POOL |
Oracle: Shared pool size |
MB |
No |
ORA_MEM_TOTAL |
Oracle: Total memory size |
MB |
No |
ORA_MEM_TOTAL_PGA_ALLOCATED |
Oracle: Total PGA allocated size |
MB |
No |
ORA_MEM_USED |
Oracle: Used memory size |
MB |
No |
ORA_MEM_USED_P |
Oracle: Used memory |
% |
No |
ORA_PGA_USED |
Oracle: Total PGA memory used size |
MB |
No |
Custom KPIs
The Collector for Oracle Memory Info enables you to create custom KPIs based on this collector. For more information about how to create a custom KPI, see the chapter Creating a KPI via Collectors with a Custom KPI.
Non-monitored memory metrics that can be mapped to custom KPI |
---|
Fixed SGA size |
Redo buffers |
Buffer cache size |
Streams pool size |
Shared IO pool size |
Data transfer cache size |
Granule size |
Maximum SGA size |
Startup overhead in shared pool |
Free SGA memory available |
After you create a KPI, you must map one of the above metrics to this KPI via the input table.
Input Table
The collector uses the input table /DVD/MON_ORAMMP.
The rules define which KPI is mapped to a certain Oracle memory metric. The collector comes with predefined table inputs that start with ORA* and are already being monitored.
Technical name |
Column name |
Description |
---|---|---|
KPI |
KPI name |
If you created the custom KPI to be mapped to a metric, enter its technical name here (Y* or Z*). |
NAME |
Statistics name |
Name of the metric to be reported under the KPI name. You can choose a metric from the table above. |
CREATED_BY |
Created by user |
Created by user [automatically filled] |
CREATED_AT |
Created at [TIMESTAMP] |
Creation time [automatically filled] |
CHANGED_BY |
Last changed by user |
Last changed by user [automatically filled] |
CHANGED_AT |
Last changed at [TIMESTAMP] |
Last changed at [automatically filled] |