Failed to find application: 'gluon.main'
2014-03-15 02:23:51 [22339] [INFO] Worker exiting (pid: 22339)
...
Traceback (most recent call last):
File "/usr/local/bin/gunicorn", line 9, in <module>
load_entry_point('gunicorn==18.0', 'console_scripts', 'gunicorn')()
...
gunicorn.errors.HaltServer: <HaltServer 'App failed to load.' 4>
On Sunday, 16 March 2014 16:39:28 UTC-4, Michele Comitini wrote:
>
> You basically need to cd into the directory where you have unzipped
> web2py. Then run gunicorn like the following:
> gunicorn -w 4 gluon.main:wsgibase
>
>
> There you have web2py reachable on http://localhost:8000
>
> Which part does not work for you?
>
> 2014-03-16 21:31 GMT+01:00 horridohobbyist
> <[email protected]<javascript:>>:
>
> > Well, I managed to get gunicorn working in a roundabout way. Here are my
> > findings for the fred.py/hello.py test:
> >
> > Elapsed time: 0.028
> > Elapsed time: 0.068
> >
> > Basically, it's as fast as the command line test!
> >
> > I'm not sure this tells us much. Is it Apache's fault? Is it web2py's
> fault?
> > The test is run without the full web2py scaffolding. I don't know how to
> run
> > web2py on gunicorn, unless someone can tell me.
> >
> >
> > On Sunday, 16 March 2014 16:21:00 UTC-4, Michele Comitini wrote:
> >>
> >> gunicorn instructions:
> >>
> >> $ pip install gunicorn
> >> $ cd <root dir of web2py>
> >> $ gunicorn -w 4 gluon.main:wsgibase
> >>
> >>
> >>
> >> 2014-03-16 14:47 GMT+01:00 horridohobbyist <[email protected]>:
> >> > I've conducted a test with Flask.
> >> >
> >> > fred.py is the command line program.
> >> > hello.py is the Flask program.
> >> > default.py is the Welcome controller.
> >> > testdata.txt is the test data.
> >> > shippackage.py is a required module.
> >> >
> >> > fred.py:
> >> > 0.024 second
> >> > 0.067 second
> >> >
> >> > hello.py:
> >> > 0.029 second
> >> > 0.073 second
> >> >
> >> > default.py:
> >> > 0.27 second
> >> > 0.78 second
> >> >
> >> > The Flask program is slightly slower than the command line. However,
> the
> >> > Welcome app is about 10x slower!
> >> >
> >> > Web2py is much, much slower than Flask.
> >> >
> >> > I conducted the test in a Parallels VM running Ubuntu Server 12.04
> (1GB
> >> > memory allocated). I have a 2.5GHz dual-core Mac mini with 8GB.
> >> >
> >> >
> >> > I can't quite figure out how to use gunicom.
> >> >
> >> >
> >> > On Saturday, 15 March 2014 23:41:49 UTC-4, horridohobbyist wrote:
> >> >>
> >> >> I'll see what I can do. It will take time for me to learn how to use
> >> >> another framework.
> >> >>
> >> >> As for trying a different web server, my (production) Linux server
> is
> >> >> intimately reliant on Apache. I'd have to learn how to use another
> web
> >> >> server, and then try it in my Linux VM.
> >> >>
> >> >>
> >> >> On Saturday, 15 March 2014 22:45:27 UTC-4, Anthony wrote:
> >> >>>
> >> >>> Are you able to replicate the exact task in another web framework,
> >> >>> such
> >> >>> as Flask (with the same server setup)?
> >> >>>
> >> >>> On Saturday, March 15, 2014 10:34:56 PM UTC-4, horridohobbyist
> wrote:
> >> >>>>
> >> >>>> Well, putting back all my apps hasn't widened the discrepancy. So
> I
> >> >>>> don't know why my previous web2py installation was so slow.
> >> >>>>
> >> >>>> While the Welcome app with the calculations test shows a 2x
> >> >>>> discrepancy,
> >> >>>> the original app that initiated this thread now shows a 13x
> >> >>>> discrepancy
> >> >>>> instead of 100x. That's certainly an improvement, but it's still
> too
> >> >>>> slow.
> >> >>>>
> >> >>>> The size of the discrepancy depends on the code that is executed.
> >> >>>> Clearly, what I'm doing in the original app (performing
> permutations)
> >> >>>> is
> >> >>>> more demanding than mere arithmetical operations. Hence, 13x vs
> 2x.
> >> >>>>
> >> >>>> I anxiously await any resolution to this performance issue,
> whether
> >> >>>> it
> >> >>>> be in WSGI or in web2py. I'll check in on this thread
> periodically...
> >> >>>>
> >> >>>>
> >> >>>> On Saturday, 15 March 2014 16:19:12 UTC-4, horridohobbyist wrote:
> >> >>>>>
> >> >>>>> Interestingly, now that I've got a fresh install of web2py with
> only
> >> >>>>> the Welcome app, my Welcome vs command line test shows a
> consistent
> >> >>>>> 2x
> >> >>>>> discrepancy, just as you had observed.
> >> >>>>>
> >> >>>>> My next step is to gradually add back all the other apps I had in
> >> >>>>> web2py (I had 8 of them!) and see whether the discrepancy grows
> with
> >> >>>>> the
> >> >>>>> number of apps. That's the theory I'm working on.
> >> >>>>>
> >> >>>>> Yes, yes, I know, according to the Book, I shouldn't have so many
> >> >>>>> apps
> >> >>>>> installed in web2py. This apparently affects performance. But the
> >> >>>>> truth is,
> >> >>>>> most of those apps are hardly ever executed, so their existence
> >> >>>>> merely
> >> >>>>> represents a static overhead in web2py. In my mind, this
> shouldn't
> >> >>>>> widen the
> >> >>>>> discrepancy, but you never know.
> >> >>>>>
> >> >>>>>
> >> >>>>> On Saturday, 15 March 2014 11:19:06 UTC-4, Niphlod wrote:
> >> >>>>>>
> >> >>>>>> @mcm: you got me worried. Your test function was clocking a hell
> >> >>>>>> lower
> >> >>>>>> than the original script. But then I found out why; one order of
> >> >>>>>> magnitude
> >> >>>>>> less (5000 vs 50000). Once that was corrected, you got the exact
> >> >>>>>> same clock
> >> >>>>>> times as "my app" (i.e. function directly in the controller). I
> >> >>>>>> also
> >> >>>>>> stripped out the logging part making the app just return the
> result
> >> >>>>>> and no
> >> >>>>>> visible changes to the timings happened.
> >> >>>>>>
> >> >>>>>> @hh: glad at least we got some grounds to hold on.
> >> >>>>>> @mariano: compiled or not, it doesn't seem to "change" the mean.
> a
> >> >>>>>> compiled app has just lower variance.
> >> >>>>>>
> >> >>>>>> @all: jlundell definitively hit something. Times are much more
> >> >>>>>> lower
> >> >>>>>> when threads are 1.
> >> >>>>>>
> >> >>>>>> BTW: if I change "originalscript.py" to
> >> >>>>>>
> >> >>>>>> # -*- coding: utf-8 -*-
> >> >>>>>> import time
> >> >>>>>> import threading
> >> >>>>>>
> >> >>>>>> def test():
> >> >>>>>> start = time.time()
> >> >>>>>> x = 0.0
> >> >>>>>> for i in range(1,50000):
> >> >>>>>> x += (float(i+10)*(i+25)+175.0)/3.14
> >> >>>>>> res = str(time.time()-start)
> >> >>>>>> print "elapsed time: "+ res + '\n'
> >> >>>>>>
> >> >>>>>> if __name__ == '__main__':
> >> >>>>>> t = threading.Thread(target=test)
> >> >>>>>> t.start()
> >> >>>>>> t.join()
> >> >>>>>>
> >> >>>>>> I'm getting really close timings to "wsgi environment, 1 thread
> >> >>>>>> only"
> >> >>>>>> tests, i.e.
> >> >>>>>> 0.23 min, 0.26 max, ~0.24 mean
> >> >>>>>>
> >> > --
> >> > Resources:
> >> > - http://web2py.com
> >> > - http://web2py.com/book (Documentation)
> >> > - http://github.com/web2py/web2py (Source code)
> >> > - https://code.google.com/p/web2py/issues/list (Report Issues)
> >> > ---
> >> > You received this message because you are subscribed to the Google
> >> > Groups
> >> > "web2py-users" group.
> >> > To unsubscribe from this group and stop receiving emails from it,
> send
> >> > an
> >> > email to [email protected].
> >> > For more options, visit https://groups.google.com/d/optout.
> >
> > --
> > Resources:
> > - http://web2py.com
> > - http://web2py.com/book (Documentation)
> > - http://github.com/web2py/web2py (Source code)
> > - https://code.google.com/p/web2py/issues/list (Report Issues)
> > ---
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> > email to [email protected] <javascript:>.
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>
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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