Ah sorry, have overread that: >> The time is spent in >> htmlTableRenderer.encodeInnerHtml
I'd start the application with YourKit profiler and do some profiling. You can get a free yourkit test license (14 days I think) for evaluation. LieGrue, strub --- On Mon, 4/11/11, Michael Heinen <mhn4...@googlemail.com> wrote: > From: Michael Heinen <mhn4...@googlemail.com> > Subject: Re: JSF application very slow with HTTPS > To: "MyFaces Discussion" <users@myfaces.apache.org> > Date: Monday, April 11, 2011, 3:45 PM > Fat? Well there is a lot of EL > in this table, nearly in all cells, > e.g. for column widths, values, styles etc. > The EL is always hitting backing beans, some with > additional map access. > > But the real problem is the poor HTTPS performance compared > to HTTP. > It should not be caused by the app and also not by JSF or > Tomcat of course. > There should be a little overhead for additional > handshaking, but not > for the rendering! > Could this be caused by a buffering whereever? > > Mark (or anybody else), did you compare your app with http > and https? > Just wondering whether this is a problem only in my app. > > Regards, > Michael > > > > Am 11.04.2011 17:27, schrieb Mark Struberg: > > Btw another question: 1s local response time? How fat > is this page? > > > > We have a really big page in production with 1400 > lines in a dataTable - and it renders in 450 ms... > > > > How many back-and-forth requests do you see if you > open firebug? > > Do you have some EL involved which isn't hitting the > backing bean but directly goes into the database? Something > in this direction... > > > > LieGrue, > > strub > > > > --- On Mon, 4/11/11, Mike Kienenberger<mkien...@gmail.com> > wrote: > > > >> From: Mike Kienenberger<mkien...@gmail.com> > >> Subject: Re: JSF application very slow with HTTPS > >> To: "MyFaces Discussion"<users@myfaces.apache.org> > >> Cc: "Michael Heinen"<mhn4...@googlemail.com> > >> Date: Monday, April 11, 2011, 2:20 PM > >> I also use > >> jetty-6.1.22. My environment is > almost > >> identical to > >> yours, give or take a minor version number. > >> > >> On Mon, Apr 11, 2011 at 7:49 AM, Michael > Heinen<mhn4...@googlemail.com> > >> wrote: > >>> Hi, > >>> > >>> My JSF application is very slow via HTTPS. > >>> Some parts are 15 times slower compared to > HTTP > >>> > >>> I measured the response times of the xhtml > requests > >> with Fiddler (locally > >>> and over network) > >>> > >>> Result for a very large page (512 KB) with a > big > >> datatable without ajax > >>> usage: > >>> -- local access with HTTP: 1 sec > >>> -- local access with HTTPS: 15-16 sec > >>> > >>> Other pages are factor 2-4 slower, with or > without > >> ajax. > >>> The time is spent in > >> htmlTableRenderer.encodeInnerHtml. Data is of > course > >>> available, there is no additional backend > access. > >>> > >>> The simple download of xhtml files or other > files is > >> NOT (noticeable) > >>> slower. > >>> Other non JSF applications running on the same > servers > >> are also not slower > >>> with HTTPS. > >>> > >>> Before I start profiling: > >>> - Does anybody have an idea where I should > look at? > >>> - Are there any known JSF or webApp settings > that > >> influence https > >>> performance? > >>> > >>> Environment: > >>> Facelets > >>> myFaces 1.2.9 > >>> tomahawk12_1.1.10 > >>> richfaces 3.3.3 > >>> tomcat 6.0.29 > >>> jdk 1.6.0_23 > >>> > >>> Regards, > >>> Michael > >>> > >
