IIB High CPU usage after upgrade

At the beginning of this week, we have started experiencing problems with very high CPU usage on two different execution groups on two different brokers. Both brokers are running on IBM Integration Bus 10.0.0.7 and both brokers were updated from 10.0.0.1

When we stop all message flows on either execution group, CPU usage goes down to near zero. However, starting any message flow makes that particular group shoot up in CPU usage back into those heights.

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