We're running Policy Servers, and suddenly we see them startingexperiencing High CPU consumption. This results in Web Agents wereunable to connect to the Policy Server.
We've changed nothing to Siteminder environment.
How can we solve that ?
Policy Server 12.52SP1CR02
You have taken some pstack from the Policy Server process at the timeof the issue.
The stacks show a known issue occuring in the Policy Server 12.52SP1CR02.
This issue occurs when one or more users belong to circular groups inyour User Directory.
Let's say :
user1 is in group 1, which group belongs to group 4, group 4 to group5, and group 5 belongs to group 1 : This would be circular group ...
Previous to Policy Server 12.52SP1CR04 this kind of User Directoryconfiguration brought the Policy Server to consume all the availableCPU cycles.
The stack reported from your environment match the pstack that havebeen analysed in the fix :
Defects Fixed in 12.52 SP1 CR04
High CPU UsagePolicy Server experiences high CPU usage.
STAR Issue: 00180246
RTC Issue: 163452/DE112391
This fix ticket reported the culprit threads show the following lines :
As the pstack from your environment show the same stack, then it hasthe same.Resolution:
Upgrade the Policy Server to at least version 12.52SP1CR04 to solvethis issue.
KB : KB000130093
Thank you for sharing this tip with the community Patrick!
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