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Increase the number of simultaneous connections in tomcat 7

It's amazing how to increase the number of concurrent connections in tomcat 7. I did some research and found in the apache documentation that setting values ​​for acceptCount, maxConnections and increasing maxThreads would do it, but when I try, I could only submit 500 requests from 1000. Below is mine fragment from server.xml -

      <Connector port="443" protocol="HTTP/1.1" SSLEnabled="true"
       maxThreads="2000" acceptCount="1000" maxConnections="1000"
       scheme="https" secure="true"
       keystoreFile="certs/tomcat.keystore" keystorePass="xxxxxxxx"
       clientAuth="false" sslProtocol="TLS" server="Apache" />

Could you help me find the best and easiest way to get rid of this?

Thanks, Sirish.

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Creating a large number of threads 1 and accepting a large number of requests does not mean that your server will be able to process requests

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