Doesn't look to bad for us! thanks for the info ;)
regards, Martin On 12/2/05, Jesse Alexander (KBSA 21) <[EMAIL PROTECTED]> wrote: > Hi > > just some figures from my profiling sessions for verification (meaning: > have sou seen similar/comparable numbers) > > Application: VERY simple application (crossbar helloWorld) with no > business > logic, just one string attribute with a pure > getter/setter-access > Servlet-Engine: Tomcat 5.0 > Hardware: IBM R50 laptop (1.5MHz Centrino, 1GB of memory) > Profiler: Yourkit 4.0 > JDK: Sun 1.4.2 > Usecase: results in 10 requests, 1 with a validation exception > Load: 1 single user > Versions: > - MyFaces 1.1.0 > - RI 1_1_01 > > > (all values in milliseconds) > Lifecycle-phase > State Rest Apply Proc. Upd. Invok Rendr Total CPU > View Req. Valid. Model Appl Resp > ms/Request > MF Srvr 50 10 10 10 0 320 42 > Clnt 300 10 0 0 10 741 108 > RI Srvr 40 90 50 0 10 570 77 > Clnt 711 70 40 20 20 1492 237 > > retained memory after 10 requests > MyFaces Server: 64kB (4 kB in Session) > Client: 65kB (0.5 kB in Session) > RI Server: 46kB (9 kB in Session) > Client: 29kB (0.5 kB in Session) > > Size of transferred state-info (2 views...) > welcome.jsf response.jsf > MyFaces (2Fields) 1836 Bytes 1532 Bytes > RI (1 Field) 1444 Bytes 1220 Bytes > > Conclusions: > - MyFaces seems to be lighter on CPU (roughly 50% of RI) > - RI seems to be lighter on Memory (roughly 50-65% of MF) > - MyFaces-server-state produces a smaller session (roughly 50% of RI) > - RI-client-state transfers less (about 75% of MF) > - RI has less memory allocated outside the session (roughly 50-65% of > MF) > > Unknowns: > - What happens with the memory-footprint when more than 1 concurrent > user > are producing load? > - How are the CPU-footprints when the views get more complex? > > Comments/Ideas/Recommendations are VERY welcome > Alexander > > PS: if someone creates a facelet-version of the sample-application I > would > try to recreate the same measurements. Please contact me. The > Crossbar- > Application had to be changed to work with JSF 1.1! > > -----Original Message----- > From: Martin Marinschek [mailto:[EMAIL PROTECTED] > Sent: Friday, December 02, 2005 12:37 PM > To: MyFaces Discussion > Subject: Re: Re: MyFaces for production? > > Hi, > > no performance measurement here - but 5 JSF intranet and 3 internet > applications deployed here on MyFaces, no problems with performance > whatsoever. > > Interesting for the performance is the switch between client-side and > server-side state saving - client-side is better for memory, > server-side is much better for CPU performance! > > regards, > > Martin > > On 12/2/05, Jesse Alexander (KBSA 21) > <[EMAIL PROTECTED]> wrote: > > Sounds like time to do thread-dumps (and -analysis)... > > > > Have you two done some performance-measurements on your apps? > > > > regards > > Alexander > > > > -----Original Message----- > > From: news [mailto:[EMAIL PROTECTED] On Behalf Of Werner Punz > > Sent: Friday, December 02, 2005 9:59 AM > > To: users@myfaces.apache.org > > Subject: Re: MyFaces for production? > > > > Francesco Consumi wrote: > > > > > Performance is good, we have only some problem with > > > http://www.istitutodeglinnocenti.it, our main site, that somewhere > > locks > > > java process at 100% of cpu, but we're investigating.... > > > > > Interesting, I never have had that issue, with now two big JSF > programs > > an a number > > of small internal hacks. > > My guess is that there is some deadlock in the app code, to my > knowledge > > MyFaces does not have any isse in this area. > > > > > > > > > -- > > http://www.irian.at > > Your JSF powerhouse - > JSF Consulting, Development and > Courses in English and German > > Professional Support for Apache MyFaces > -- http://www.irian.at Your JSF powerhouse - JSF Consulting, Development and Courses in English and German Professional Support for Apache MyFaces
