On Sep 10, 2013, at 1:42 PM, Eitan Yarden <ei...@paralleluniverse.co> wrote:
> I've been experimenting with Tomcat 7's async servlet support and comparing > it to synchronous (plain) servlets on an EC2 m1.medium instance. I've > configured Tomcat to use the APR connector, and the service does some > (dummy) work for 80ms and returns an html response. I'm using Tomcat 7.0.42. > > When the thread-pool size restriction has been removed, the synchronous > servlet spawned about 1000 threads and was able to handle up to about 2700 > requests/sec while still maintaining reasonable latency. The asynchronous > servlet handled up to about 4500 requests/sec (I've used my own thread-pool > for the async processing rather than the container's > AsyncContext.start(Runnable) method). > > While certainly significant (66% increase in request rate), I had expected > an even bigger difference between the async and sync servlets' performance. > Has other people's experience been the same? Are there any major Tomcat > configuration options that should be used when running async servlets? Curious to see if you've hooked up a profiler to your tests to see where time is being spent? Dan --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
