Re: scaling problems

2008-05-20 Thread David Stanek
On Tue, May 20, 2008 at 12:03 AM, James A. Donald <[EMAIL PROTECTED]> wrote: > On Mon, 19 May 2008 21:04:28 -0400, "David Stanek" > <[EMAIL PROTECTED]> wrote: >> What is the difference if you have a process with 10 threads or 10 >> separate processes running in parallel? Apache is a good example of

Re: scaling problems

2008-05-20 Thread Duncan Booth
Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> wrote: > On Tue, 20 May 2008 10:47:50 +1000, James A. Donald wrote: > >> 2. It is not clear to me how a python web application scales. > > Ask YouTube. :-) Or look at Google appengine where unlike normal Python you really are prevented from making

Re: scaling problems

2008-05-20 Thread Nick Craig-Wood
Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> wrote: > On Tue, 20 May 2008 13:57:26 +1000, James A. Donald wrote: > > > The larger the program, the greater the likelihood of inadvertent name > > collisions creating rare and irreproducible interactions between > > different and supposedly independe

Re: scaling problems

2008-05-20 Thread Graham Dumpleton
On May 20, 2:00 pm, James A. Donald <[EMAIL PROTECTED]> wrote: > > > 2.  It is not clear to me how a python web application scales.  Python > > > is inherently single threaded, so one will need lots of python > > > processes on lots of computers, with the database software handling > > > parallel a

Re: scaling problems

2008-05-20 Thread Marc 'BlackJack' Rintsch
On Tue, 20 May 2008 10:47:50 +1000, James A. Donald wrote: > 2. It is not clear to me how a python web application scales. Ask YouTube. :-) Ciao, Marc 'BlackJack' Rintsch -- http://mail.python.org/mailman/listinfo/python-list

Re: scaling problems

2008-05-20 Thread Marc 'BlackJack' Rintsch
On Tue, 20 May 2008 13:57:26 +1000, James A. Donald wrote: > The larger the program, the greater the likelihood of inadvertent name > collisions creating rare and irreproducible interactions between > different and supposedly independent parts of the program that each > work fine on their own, and

Re: scaling problems

2008-05-19 Thread Arnaud Delobelle
James A. Donald <[EMAIL PROTECTED]> writes: > Ben Finney > The larger the program, the greater the likelihood of inadvertent name > collisions creating rare and irreproducible interactions between > different and supposedly independent parts of the program that each > work fine on their own, and

Re: scaling problems

2008-05-19 Thread James A. Donald
On Mon, 19 May 2008 21:04:28 -0400, "David Stanek" <[EMAIL PROTECTED]> wrote: > What is the difference if you have a process with 10 threads or 10 > separate processes running in parallel? Apache is a good example of a > server that may be configured to use multiple processes to handle > requests.

Re: scaling problems

2008-05-19 Thread James A. Donald
> > 2. It is not clear to me how a python web application scales. Python > > is inherently single threaded, so one will need lots of python > > processes on lots of computers, with the database software handling > > parallel accesses to the same or related data. One could organize it > > as one

Re: scaling problems

2008-05-19 Thread James A. Donald
> > 1. Looks to me that python will not scale to very large programs, > > partly because of the lack of static typing, but mostly because there > > is no distinction between creating a new variable and utilizing an > > existing variable, Ben Finney > This seems quite a non sequitur. How do you s

Re: scaling problems

2008-05-19 Thread Carl Banks
On May 19, 8:47 pm, James A. Donald <[EMAIL PROTECTED]> wrote: > 1. Looks to me that python will not scale to very large programs, > partly because of the lack of static typing, but mostly because there > is no distinction between creating a new variable and utilizing an > existing variable, so th

Re: scaling problems

2008-05-19 Thread Ben Finney
James A. Donald <[EMAIL PROTECTED]> writes: > I am just getting into python, and know little about it Welcome to Python, and this forum. > and am posting to ask on what beaches the salt water crocodiles hang > out. Heh. You want to avoid them, or hang out with them? :-) > 1. Looks to me that

Re: scaling problems

2008-05-19 Thread David Stanek
On Mon, May 19, 2008 at 8:47 PM, James A. Donald <[EMAIL PROTECTED]> wrote: > I am just getting into python, and know little about it, and am > posting to ask on what beaches the salt water crocodiles hang out. > > 1. Looks to me that python will not scale to very large programs, > partly because

Re: scaling problems

2008-05-19 Thread Reid Priedhorsky
On Tue, 20 May 2008 10:47:50 +1000, James A. Donald wrote: > > 1. Looks to me that python will not scale to very large programs, > partly because of the lack of static typing, but mostly because there > is no distinction between creating a new variable and utilizing an > existing variable, so the

scaling problems

2008-05-19 Thread James A. Donald
I am just getting into python, and know little about it, and am posting to ask on what beaches the salt water crocodiles hang out. 1. Looks to me that python will not scale to very large programs, partly because of the lack of static typing, but mostly because there is no distinction between crea