sOME MORE TRACES CPU SAMPLES BEGIN (total = 8868) Sat Sep 6 12:29:17 2008 rank self accum count trace method 1 20.44% 20.44% 1813 303423 ognl.SimpleNode.evaluateGetValueBody 2 12.55% 33.00% 1113 300397 java.net.PlainSocketImpl.socketAccept 3 8.37% 41.36% 742 300856 java.net.SocketInputStream.socketRead0 4 7.81% 49.18% 693 303426 ognl.Ognl.getValue 5 4.52% 53.70% 401 303853 ognl.ASTProperty.getValueBody 6 4.18% 57.88% 371 302117 java.net.PlainDatagramSocketImpl.receive0 7 4.18% 62.07% 371 301880 java.net.SocketInputStream.socketRead0
sajanv007 wrote: > > These are HProf results > > CPU SAMPLES BEGIN (total = 3267) Sat Sep 6 12:27:45 2008 > rank self accum count trace method > 1 15.70% 15.70% 513 300397 java.net.PlainSocketImpl.socketAccept > 2 10.47% 26.17% 342 300856 java.net.SocketInputStream.socketRead0 > 3 5.23% 31.40% 171 302117 > java.net.PlainDatagramSocketImpl.receive0 > 4 5.23% 36.64% 171 301880 java.net.SocketInputStream.socketRead0 > 5 5.23% 41.87% 171 301035 > weblogic.socket.DevPollSocketMuxer.doPoll > 6 3.28% 45.15% 107 303426 ognl.Ognl.getValue > 7 2.48% 47.63% 81 301738 sun.reflect.Reflection.getCallerClass > 8 1.99% 49.62% 65 300923 java.lang.String.intern > 9 1.87% 51.48% 61 303423 ognl.SimpleNode.evaluateGetValueBody > 10 1.81% 53.29% 59 300505 java.util.zip.ZipFile.getEntry > 11 1.56% 54.85% 51 301639 java.lang.Throwable.fillInStackTrace > 12 1.41% 56.26% 46 303434 java.util.ResourceBundle.getObject > 13 1.16% 57.42% 38 301739 java.lang.Object.clone > 14 1.13% 58.56% 37 303267 ognl.OgnlRuntime.getHandler > 15 1.01% 59.57% 33 301953 java.lang.Object.hashCode > > > Al Sutton wrote: >> >> Do the ideas listed at >> >> http://java.sun.com/developer/technicalArticles/Programming/HPROF.html >> >> shed any light on it? >> >> sajanv007 wrote: >>> I am using the latest Freemarker version 2.3.13 and Spring 2.5 OGNL >>> 2.7.2 >>> with Javaassist . >>> >>> Al Sutton wrote: >>> >>>> Replace your freemarker lib with 2.3.13 or later. Prior releases had a >>>> concurrency performance issue. >>>> >>>> Al. >>>> >>>> sajanv007 wrote: >>>> >>>>> 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 >>>>>> >>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>> --------------------------------------------------------------------- >>>> 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-tp19559123p19561468.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]
