It is a solaris box and has 16 GB memory and 4 CPU it is high end server class machine . Some how I suspect it is the OGNL or Freemarker rendering issue .
Jim Kiley wrote: > > What kind of server are you using here, how much memory, what CPU -- when > we > are getting to CPU utilization, all of these issues are relevant. > > On Thu, Sep 18, 2008 at 3:43 PM, sajanv007 <[EMAIL PROTECTED]> wrote: > >> >> I have tried all the tuning parameters mentioned in the link somehow CPU >> utilization is always 80% ,I observed that it takes tags are rendered >> from >> free marker cache but still the cpu 80-90% . >> >> Regards >> >> Sajan >> >> >> Nils-Helge Garli wrote: >> > >> > Maybe this can help: >> > http://struts.apache.org/2.0.11.2/docs/performance-tuning.html >> > >> > Nils-H >> > >> > On Thu, Sep 18, 2008 at 9:11 PM, sajanv007 <[EMAIL PROTECTED]> >> wrote: >> >> >> >> There is huge performance issue and CPU hogging with Struts2 tag , >> this >> >> was >> >> observed while rendering JSP. These are some performance results >> obtained >> >> >> >> Strut 2 Tag - With all performance tuning applied as per Struts 2 >> >> documentation - Freemarker caching etc... >> >> Load Runner Tool >> >> 40 users >> >> 900 hits per second >> >> 10 transaction per second >> >> >> >> Results >> >> CPU utilization 90% >> >> Response 3.5 sec >> >> >> >> Replaced some of Struts2 Tag , with Custom JSP Tags like (s:label, >> >> s:text,s:textfield,s:hidden,s:param) >> >> 40 users >> >> 900 hits per second >> >> 15 transaction per second >> >> >> >> Results >> >> CPU utilization 70% >> >> Response 2.0 sec >> >> >> >> Some where down the line Struts 2 tag are very cpu hungry , to people >> to >> >> adopt to strut2 framework cpu utilization should be optimized . >> >> >> >> >> >> Did anybody come across on how to over come this problem >> >> >> >> -- >> >> View this message in context: >> >> >> http://www.nabble.com/Performance-and-High-CPU-utilization-tp19559123p19559123.html >> >> Sent from the Struts - User mailing list archive at Nabble.com. >> >> >> >> >> >> --------------------------------------------------------------------- >> >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> >> >> >> > >> > --------------------------------------------------------------------- >> > To unsubscribe, e-mail: [EMAIL PROTECTED] >> > For additional commands, e-mail: [EMAIL PROTECTED] >> > >> > >> > >> >> -- >> View this message in context: >> http://www.nabble.com/Performance-and-High-CPU-utilization-tp19559123p19560223.html >> Sent from the Struts - User mailing list archive at Nabble.com. >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> > > > -- > Jim Kiley > Technical Consultant | Summa > [p] 412.258.3346 [m] 412.445.1729 > http://www.summa-tech.com > > -- View this message in context: http://www.nabble.com/Performance-and-High-CPU-utilization-tp19559123p19560372.html Sent from the Struts - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]