What is the max number of concurrent websocket connections a tomcat instance can support? We are looking to serve 20000 connections at any given time. What would be the recommended number of tomcat instances to support the load?
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1Guys.. I really need some insight on the performance of Spring Websockets on Tomcat. Will a 3 node tomcat cluster be enough to provision 20000-25000 concurrent connections? – Robin Varghese Dec 10 '14 at 15:10
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1Hi, Can you share what was your experience? – Joseph Jun 02 '16 at 09:58
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Take a look at this: https://github.com/cloudmark/spring-websockets-performance-testing They use Tomcat 8 but i think there will not be a fundamental difference in performance.

Ruslan
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