Currently, our infrastructure is designed such that all requests will go to a Load Balancer (round-robin), which then connects to 2 Web servers, which then connect to 2 App servers, which then connect to the DB server.
We are not able to achieve high no. of hits/sec during the Load Test even though CPU utilisation is low at less than 40% on all servers. Database Report also indicates that our SQLs are efficient and our database is idle most of the time.
May I know what went wrong? Any advices will be appreciated. Thanks.
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