Memory
In the Space Management display of the liveCache Alert Monitor, you can find, among other things, information about the free memory space in the main memory area.
The user has been assigned a role in accordance with the authorization concept. You are in the user menu of the user with the authorizations that correspond to this role.
1. Start the liveCache Alert Monitor.
2. Choose <Database Connection Name> → Space Management → Memory.
Display |
Default for Alerts |
Data Cache Usage – total |
Yellow
alert: if the usage in the
data cache exceeds 90% |
Data Cache Usage – OMS Data |
Yellow
alert: if this usage in the
data cache exceeds 90% |
Data Cache Usage – SQL Data |
Yellow
alert: if this usage in the
data cache exceeds 95% |
Data Cache Usage – History/Undo |
Yellow
alert: if this usage in the
data cache exceeds 40% |
Out of Memory Exceptions |
Information about whether the following event of the OMS intermediate layer and the liveCache basis layer has occurred for one or more of the database procedures Yellow
alert, if the event has
occurred for at least one of the database procedures. In this case, the number
of OutOfMemoryExceptions is totaled for all database procedures, and
this total is displayed. |
OMS Terminates |
Number of OMS terminations since the last measurement (15 minutes ago) Red alert: if an OMS termination occurred. |
Heap Usage |
Yellow
alert: if the usage in the
OMS heap exceeds 80% |
Heap Usage in KB |
No default alert level. Configure an appropriate value for the size of your main memory. |
Maximal Heap Usage in KB |
Maximum usage of the OMS heap (in KB) |
System Heap in KB |
Size of the system heap (in KB) |
Parameter OMS_HEAP_LIMIT (KB) |
Setting of the parameter OMS_HEAP_LIMIT |
More information:
liveCache Assistant, Caches, Heap Usage, Class Container
If problems arise with the data cache and the OMS heap, proceed as described in Monitoring the Main Memory Areas