Much improved with suggested change.  Latencies for .js/.css files reduced
to 100-150 msec.  Thanks Tim!

Cheers,
Mike


On Thu, Jul 22, 2010 at 12:27 PM, Timbo <[email protected]> wrote:

> Try one quick change for me please...rocket is constructed around line
> 655 in main.py
>
> Add a parameter to the constructor call(s):  max_threads=0
>
> Please let me know if that affects the problem.
>
> -tim
>
> On Jul 22, 10:34 am, mdipierro <[email protected]> wrote:
> > I can reproduce the problem. I did on localhost with two different
> > browsers.
> > Using firebug I can see it takes 25seconds to download base.css (the
> > problem is not always with the same file).
> > While I did the test, I also monitored httpserver.log and I find that
> > it NEVER takes more than 1.2ms serve base.css.
> > This is what the log shows:
> >
> > ....
> > 127.0.0.1, 2010-07-22 10:16:38, GET, /michealellistest/static/images/
> > header.png, HTTP/1.1, 304, 0.000563
> > 127.0.0.1, 2010-07-22 10:16:38, GET, /favicon.ico, HTTP/1.1, 400,
> > 0.000631
> > 127.0.0.1, 2010-07-22 10:16:55, GET, /michealellistest/static/
> > base.css, HTTP/1.1, 304, 0.000791   #### locks firefox for 25secs
> > ....
> > 127.0.0.1, 2010-07-22 10:22:42, GET, /michealellistest/static/
> > jquery.timers-1.2.js, HTTP/1.1, 304, 0.000552
> > 127.0.0.1, 2010-07-22 10:22:42, GET, /favicon.ico, HTTP/1.1, 400,
> > 0.000497
> > 127.0.0.1, 2010-07-22 10:23:02, GET, /michealellistest/static/
> > superfish.js, HTTP/1.1, 304, 0.000914   #### locks chrome for 25secs
> >
> > Do you see the time gaps?
> >
> > There is a clear pattern. Under heavy load a request that results in a
> > HTTP 400 error locks Rocket.
> >
> > Notice that the logging is done by a wsgi application that calls
> > web2py wsgibase, i.e it time how long it takes web2py to receive the
> > request and send the response. The extra time must be spent inside the
> > web server.
> >
> > It is also important that the times showed in the logs are the actual
> > time when the data is being written in the logs. You can see firefox
> > waiting for base.css, the server waiting to log base.css and nothing
> > else is being printed during the wait, signifying that web2py is not
> > running any request.
> >
> > We need Tim! This is a problem.
> >
> > Massimo
> >
> > On Jul 22, 9:22 am, Michael Ellis <[email protected]> wrote:
> >
> >
> >
> > > I've isolated the problem but absolutely do not understand it.  I can
> > > reproduce it with a two-line change to web2py_ajax.html.   Will someone
> with
> > > the time and equipment please attempt to replicate  this as a sanity
> check?
> >
> > > Here's how:
> >
> > > In the welcome app's web2py_ajax.html, insert the following after line
> 3.
> > >
> response.files.insert(3,URL(r=request,c='static',f='jquery.sparkline.js'))
> > >
> response.files.insert(4,URL(r=request,c='static',f='jquery.timers-1.2.js'))
> >
> > > Copy the attached js files into welcome/static.  They should be the
> same as
> > > the versions available online.
> >
> > > To reproduce the problem, serve web2py on your LAN.  Open the welcome
> home
> > > page on two different machines.  One of them can be on the server.
>  Briskly
> > > reload the page 10 or more times on either machine then try to reload
> on the
> > > other.  In my setup, the delay is reliably 25 seconds from the time I
> make
> > > the last click on the first machine.
> >
> > > I'm able to reproduce this in FF, Chrome, and Safari using the latest
> web2py
> > > from trunk.  Haven't tried any other browsers yet.  As noted previously
> both
> > > machines are MacBooks running Snow Leopard.
> >
> > > Mike
> >
> > >  jquery.timers-1.2.js
> > > 4KViewDownload
> >
> > >  jquery.sparkline.js
> > > 62KViewDownload
>

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