> On 29 Aug 2017, at 14:24, Mark Thomas <ma...@apache.org> wrote: > > On 29/08/17 13:09, Ing. Andrea Vettori wrote: >>> On 29 Aug 2017, at 12:29, Suvendu Sekhar Mondal <suv3...@gmail.com> wrote: >>> >>> On Tue, Aug 29, 2017 at 2:54 PM, Ing. Andrea Vettori >>> <a.vett...@b2bires.com> wrote: >>>> - with a fresh started tomcat instance, the time it takes is around 0,8 >>>> seconds. Most of the time is spent on the two RMI calls the task does. >>>> - with an instance that is running from some time, the time can reach 2/3 >>>> seconds; occasionally 5/6 seconds. Most time is still spent on RMI calls. >>>> I.e. what slows down are the RMI calls. >>> >>> Sill question, do you mean RMI calls generating from Tomcat is getting >>> slower with time? or, JBoss is taking time to return the response? >> >> Thanks for your help. >> What I see is that the http requests are slower. Looking at the details of >> that specific request (putting a product in the cart) using System.nanotime >> I can see that most of the time is spent during the RMI calls. I’m pretty >> sure it’s not jboss that is slower because doing other calls at the same >> time with fresh tomcats or with a java client they're not slow. > > I'd try profiling the problematic code. Given the magnitude of the > times, sampling should be sufficient which means you could do this on > production when the problem happens. You'll probably need to configure > it to log JVM internal calls. > > I use YourKit (because they give me a free license to use to develop > Tomcat). Other profilers are available. > > Mark
Thank you, I’m going to try this soon and report back what I find. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
