On 02/06/2013 21:12, Dimitri wrote: > Hi, > > I am developing a collaboration webapp using Tomcat 7 implementation of > WebSockets. Imagine we have a 1000+ of connected clients, each of them > having his own WsOutbound. How do we implement broadcast messages in a > scalable way? Yet I've seen only examples that do iterate over connected > clients and send messages in a sequential manner. Obviously, this > approach doesn't scale to hundreds an thousands of clients. > > I've yet come up with a workaround using a fixed ThreadPool executor of > some 50 threads that do the work in parallel, however, this approach is > far from perfect, too. I'm wondering if there exists more elegant, > standard way to do the same, probably employing NIO and multiplexing?
The Tomcat 7 implementation uses blocking IO within a WebSocket frame so there is no easy way to do what you want to do. At some point (still TBD) the JSR-356 implementation from Tomcat 8 will be back-ported to Tomcat 7. Mark > I've heard that this will be available in JSR-356 out-of-the-box, but > the application is going to enter production soon, with TomEE 1.6.0 as > target platform. > > Thanks! > Dimitri > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
