I agree with this assessment. The last issue is a problem we need to address in the install scripts. Could you make a patch?
On Thursday, 3 October 2013 15:34:04 UTC-5, Thomas J. wrote: > > I've recently been comparing Web2py and PHP, this is what i found, maybe > it helps: > > 1.: PHP is faster whereever it can do stuff within the interpreter, that > includes handling post/get-data or templates. The PHP interpreter is > written in C, so these things are really fast, whereas Web2py has to to > them in Python. > 2. DB access is heavily dependent on how many records you retrieve. > Translating a query from DAL to SQL is basically free (so using the DAL > syntax for DB access isn't an issue), putting the data into Python objects > is quite expensive however. Only query what you really need. Also, using > executesql() instead of the regular DAL syntax may help there, as it > returns tuples, not complex data structures > 3. I've found the default config for Apache2 to be somewhat broken as far > as concurrency is concerned. Check your Apache/WSGI config, you probably > have a line like "WSGIDaemonProcess web2py user=www-data group=www-data" in > there. This actually defaults to 1 process with 15 threads, which -- on my > machine -- completely kills performance (Python doesn't do threads well > because of the global interpreter lock). I've found that even something > like "WSGIDaemonProcess web2py user=www-data group=www-data processes=1 > threads=1" improves performance for concurrent requests dramatically. Try > tinkering with the processes-value to find the best config for your > machine. > -- 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/groups/opt_out.
