I waited ten minutes. Then twenty.
Instantly, the average response time for the payment API dropped from 340ms to 190ms. A 44% improvement. The error rate fell to 0.001%. remove web application proxy server from cluster
The remaining two WAPs ( wap-01 and wap-02 ) recalculated their session tables. CPU usage on wap-01 jumped from 18% to 32%. Well within limits. Memory stable. Error rate on the payment API… held steady at 0.01% (baseline noise). I waited ten minutes