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I have 2 ISE nodes (Active/Standby PAN) and both are PSN. Month ago I had a weird problem: Memory in my first node was in 90 percentages although 802.1x were not deployed on network, I mean it was idle, only pxGrid was used. I opened a TAC case for that and after one day of opening the case, I noticed that Memory downgraded to 30s% that was awesome :)
Today I got notified that users are claiming that they cannot authenticate and access Wifi for 10 mins and then everything turned to be okay. I checked ISE which showed very high "Authentication Latency" for that period. While I was investigating the problem, ISE stopped to show system summary for that node:
I connected to node via SSH and checked system utilization there and noticed one process is taking huge amount of CPU:
I do not know what can be cause of the problem? Am i hitting any bug? I think I have to do reboot but I wanted to make sure before doing it.
Thanks in advance!