[Laszlo-dev] Need help troubleshooting performance ...

[Henry Minsky]

 WHen you say "incredibly slow" are you talking about 20 or 30 second delays? 
That would smell like a DNS resolution/timeout problem to me.



On Thu, 20 Jan 2005 03:22:30 -0500, Jon Gilkison
<misterfingers at gmail.com> wrote:
> I've been developing an application in Laszlo that we're planning on
> pitching to a client in the coming weeks.  I've got a prototype chunk
> of it done and locally it works well.  It's a very media heavy site,
> so there is a lot of loading of external images from a server.
> 
> The development setup is Windows XP Pro, IIS 5, Tomcat 5.0 with the
> isapi_redirector.  The machine is a P4 3.4ghz with 4 gigs of RAM and
> dual 250 gig HD's RAIDed together.
> 
> The staging server setup is Windows 2003 Advanced Server, IIS 6.0,
> Tomcat 5.0 with the isapi_redirector.  The machine is a dual P4
> 3.4ghz, 4 gigs of RAM and 2 100 gig platters NOT RAIDed together.
> 
> Both machines are on an internal gigabit network, and the pipe to the
> staging server is enterprise class cable, 3megs up/down asynch.
> 
> Now, if I view the app on the development box, obviously it's blazing
> fast.  If I view it from the staging server on the local network, it's
> just as fast.  I've used various machines in different configs on the
> local network to make sure the flash interface  performance is
> consistent.
> 
> If I view this externally, the LZX stuff loads incredibly slow.  I've
> tested the network and IIS remotely and I get great bandwidth from
> both externally (tested by downloading large files, using the ASP.NET
> version of the application, etc.).  The bottleneck appears to be
> Tomcat or perhaps the configuration of IIS and Tomcat together.
> 
> We also have an alternate ASP.NET version of the site, and that works
> lickity split and it's loading the same media we load in the Laszlo
> app.
> 
> I'm completely confused.  This is my first experience with Tomcat,
> being the .NET douche bag I am.
> 
> Please help!
> 
> Thanks,
> 
> Jon.
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