We have a farm of VMs, each running multiple instances of tomcat (up to 80 instances per server). Everything has been running fine for years, but recently one server has started nailing the CPU to 100% utilization.
We have tried: * Different versions of tomcat and JDK * Doubling the resources to 16 cores and 56 GB RAM * Moving the VM to different physical server * Rebuilding the tomcat instances on a brand new VM using Windows Server 2019 * Rebuilding the tomcat instances on a brand new VM using Red Hat Enterprise Linux 7.5 Nothing has worked. No matter where we run the tomcats, they drive CPU up to 100%. Meanwhile the other six servers are still running fine. They all run the same canned tomcat applications. We would appreciate some guidance on getting to the bottom of this problem. --Eric Disclaimer : This email and any files transmitted with it are confidential and intended solely for intended recipients. If you are not the named addressee you should not disseminate, distribute, copy or alter this email. Any views or opinions presented in this email are solely those of the author and might not represent those of Physician Select Management. Warning: Although Physician Select Management has taken reasonable precautions to ensure no viruses are present in this email, the company cannot accept responsibility for any loss or damage arising from the use of this email or attachments.