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From samehgad <>
Subject Re: Tomcat benchmark
Date Tue, 22 Jan 2008 12:00:14 GMT

Hi Andrew

You can determine the number of concurrent requests using sample formula

This formula gives a decent estimate for the number of threads you can

(MaxProcessMemory - JVMMemory - ReservedOsMemory) / (ThreadStackSize) =
Number of threads


For Java 1.5 I get the following results assuming that the OS reserves about
1.5GB allocated to JVM: (2GB-1.5Gb-120MB)/(1MB) = ~380 threads
1.0GB allocated to JVM: (2GB-1.0Gb-120MB)/(1MB) = ~880 threads

I love this application server


Andrew Hole wrote:
> Hi!
> Is there any benchmark test available that allow me to determine the
> number
> of concurrent requests that Tomcat supports for a particular type of
> hardware?
> Thanks a lot

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