On 16/01/2015 16:01, Dirk Högemann wrote: > Hello, > > I am trying to upgrade a JSP-based application, which is usually hosted on > Tomcat (currently 7.0.57) to Version 8.0.15. > > Unfortunately I am facing a massive performance degradation - only 40% of > the performance of 7.0.56 is reached when running the exact same JMeter > Test with Tomcat8. > > Relevant value here is: 24 page impressions per second on Tomcat 8.0.15. > On Tomcat 7.0.56 it reaches up to 60 PI/s. > > A sampler captured with JVisual VM shows a hotspot on Class: > > org.apache.jasper.el.JasperELResolver.getValue -> 63,9 % of CPU self time > > Tomcat 7.0.57: 0,8 % > > Usage of Java8 or Java7 makes no difference. > > Any ideas to improve the performance?
Not yet. > Or is anybody facing similar issues? Not that I recall. Can you simplify this to a single JSP (ideally as simple as possible) that is significantly slower on 8.0.x compared to 7.0.x? With that, we can take a look at what is going on. Mark --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
