Contents
1 Alarm Description
The alarm is raised when DBN memory use exceeds a threshold.
|
Alarm Cause |
Description |
Fault Reason |
Fault Location |
Impact |
|---|---|---|---|---|
|
Reconfiguration ongoing |
DBN is redistributing data either because a node being locked or unlocked or because a node failed. |
N/A |
N/A |
Node lock, node unlock, and scaling operations must not be initiated until the alarm clears, as these can temporarily increase memory usage even more. |
|
Overload |
The system is overloaded. |
Dimensioning |
- Note:
- The alarm can be raised during a reconfiguration operation.
|
Attribute Name |
Attribute Value/Interpretation |
|---|---|
|
Major Type |
193 |
|
Minor Type |
917505 |
|
MO Class |
DbsPU |
|
Source |
Format:(1) ManagedElement=1,SystemFunctions=1,Pm=1, PmJob=<threshold_job_name>, MeasurementReader=<measurement_reader_name>:PU=<Node_name>, EE=DBN |
|
Specific Problem |
DBS, Memory Limit Reached |
|
Event Type |
PROCESSINGERRORALARM |
|
Probable Cause |
outOfMemory (162) |
|
Perceived Severity |
Critical |
|
Additional Text |
Measurement type: Mem.RecordHeap.PUsed |
(1) This attribute
is filled by other CBA components, for example: CoreMW, COM SA. Therefore,
the described format is only an example and can be different on the
node.
2 Procedure
2.1 Handle Alarm DBS, Memory Limit Reached
Prerequisites
- This instruction references the following document:
- No tools are required.
- Before starting this procedure, ensure that the following
condition is met:
- The alarm is raised.
Steps
- Is the system overloaded?
Yes: Decrease load on the cluster, if possible.
No: Continue with the next step.
- Is data redistribution (reconfiguration) in progress?
Yes: Wait for the reconfiguration to finish, then continue with the next step.
No: Consult the next level of maintenance support. Further actions are outside the scope of this Operating Instruction.
- Is the alarm cleared?
Yes: Job is completed.
No: Consult the next level of maintenance support. Further actions are outside the scope of this Operating Instruction.