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As asktyagi mentioned, it may be that just run too many applications on your host. In general, running many JVMs on a single host is likely to cause all kinds of contentions for resources where memory is only one of them - another example is GC threads competing for CPU, disk IO, etc. You mention you scale up by running multiple Tomcat processes. You may ...


Honestly it is not good idea to keep all things on single box, also it's difficult to calculate exact memory required reason is it's depend on hosted applications. I would recommend use LB in front of application and host your application in different different hosts. If you still want to calculate memory, you need to get applications historical memory ...

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