[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-09 Thread mabshoff
On Oct 8, 5:48 am, Pierre [EMAIL PROTECTED] wrote: Ironically pretty much everything works under Solaris now but the notebook. I think that issue is easy to fix (RAND_MAX related incidentally, is it possible to get knoboo to work on solaris instead of the notebook ? (sorry if this

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-09 Thread William Stein
mabshoff wrote: On Oct 8, 5:48 am, Pierre [EMAIL PROTECTED] wrote: Ironically pretty much everything works under Solaris now but the notebook. I think that issue is easy to fix (RAND_MAX related incidentally, is it possible to get knoboo to work on solaris instead of the notebook ?

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-08 Thread Pierre
Ironically pretty much everything works under Solaris now but the notebook. I think that issue is easy to fix (RAND_MAX related incidentally, is it possible to get knoboo to work on solaris instead of the notebook ? (sorry if this question is somewhat besides the point)

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-07 Thread Thierry Dumont
William Stein a écrit : If your hardware is pretty good (which the OP's hardware is), the problem is definitely the webserver and notebook interface. Running many sage sessions at once gets around this. ok, if I understand correctly, running many servers (listening on different ports)

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-07 Thread Jason Grout
Alex Clemesha wrote: We have spend a majority of our effort on Knoboo trying to make it a robust and scalable web application (like, for example, the 'frontend' is totally decoupled from the backend 'kernel'). What's missing from Knoboo, and what is so great about the Sage Notebook, is

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-07 Thread William Stein
On Tue, Oct 7, 2008 at 7:10 AM, Jason Grout [EMAIL PROTECTED] wrote: Alex Clemesha wrote: We have spend a majority of our effort on Knoboo trying to make it a robust and scalable web application (like, for example, the 'frontend' is totally decoupled from the backend 'kernel'). What's

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-07 Thread Robert Bradshaw
On Oct 7, 2008, at 3:58 AM, Thierry Dumont wrote: William Stein a écrit : If your hardware is pretty good (which the OP's hardware is), the problem is definitely the webserver and notebook interface. Running many sage sessions at once gets around this. ok, if I understand correctly,

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-07 Thread Jason Grout
William Stein wrote: On Mon, Oct 6, 2008 at 10:11 AM, kcrisman [EMAIL PROTECTED] wrote: To emphasize again, I doubt it scales to more than 30 users all hammering the server at once. I can confirm this from our experience as well; on a more moderate size server even 15-20 at once becomes

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-07 Thread Mike Hansen
Hello, On Tue, Oct 7, 2008 at 1:15 PM, Jason Grout [EMAIL PROTECTED] wrote: To sum up the discussion about what makes things slow, is it a file-locking bottleneck with the sage server? I don't think anyone has done any serious profiling of the notebook so I think that conclusion is quite a

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-07 Thread mabshoff
On Oct 7, 1:27 pm, Mike Hansen [EMAIL PROTECTED] wrote: Hello, On Tue, Oct 7, 2008 at 1:15 PM, Jason Grout [EMAIL PROTECTED] wrote: To sum up the discussion about what makes things slow, is it a file-locking bottleneck with the sage server? I don't think anyone has done any serious

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-07 Thread Justin C. Walker
On Oct 7, 2008, at 13:27 , Mike Hansen wrote: Hello, On Tue, Oct 7, 2008 at 1:15 PM, Jason Grout [EMAIL PROTECTED] wrote: To sum up the discussion about what makes things slow, is it a file-locking bottleneck with the sage server? I don't think anyone has done any serious profiling

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-07 Thread William Stein
On Tue, Oct 7, 2008 at 1:27 PM, Mike Hansen [EMAIL PROTECTED] wrote: Hello, On Tue, Oct 7, 2008 at 1:15 PM, Jason Grout [EMAIL PROTECTED] wrote: To sum up the discussion about what makes things slow, is it a file-locking bottleneck with the sage server? I don't think anyone has done any

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-06 Thread Dan Drake
On Mon, 06 Oct 2008 at 09:16AM +0200, Thierry Dumont wrote: I would like to know if someone as used Sage with undergraduate students. My question is mainly a question about the material which would be necessary. We are currently building a project (this means: asking for money, doing a lot

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-06 Thread William Stein
2008/10/6 Thierry Dumont [EMAIL PROTECTED]: I would like to know if someone as used Sage with undergraduate students. My question is mainly a question about the material which would be necessary. We are currently building a project (this means: asking for money, doing a lot a bureaucracy

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-06 Thread kcrisman
To emphasize again, I doubt it scales to more than 30 users all hammering the server at once. I can confirm this from our experience as well; on a more moderate size server even 15-20 at once becomes very problematic. - kcrisman --~--~-~--~~~---~--~~ To

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-06 Thread Jason Grout
William Stein wrote: 2008/10/6 Thierry Dumont [EMAIL PROTECTED]: I would like to know if someone as used Sage with undergraduate students. My question is mainly a question about the material which would be necessary. We are currently building a project (this means: asking for money, doing

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-06 Thread Robert Bradshaw
On Oct 6, 2008, at 10:21 AM, Jason Grout wrote: William Stein wrote: 2008/10/6 Thierry Dumont [EMAIL PROTECTED]: I would like to know if someone as used Sage with undergraduate students. My question is mainly a question about the material which would be necessary. We are currently

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-06 Thread William Stein
On Mon, Oct 6, 2008 at 10:11 AM, kcrisman [EMAIL PROTECTED] wrote: To emphasize again, I doubt it scales to more than 30 users all hammering the server at once. I can confirm this from our experience as well; on a more moderate size server even 15-20 at once becomes very problematic.

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-06 Thread Alex Clemesha
Hi, Note -- if the notebook servers all operated on the same data (via a central database or files on the filesystem or something), then one could have the best of both worlds... I guess. But I doubt I'm putting another month of my life into the Sage notebook anytime in the near future.

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-06 Thread Ondrej Certik
On Mon, Oct 6, 2008 at 9:49 PM, Alex Clemesha [EMAIL PROTECTED] wrote: Hi, Note -- if the notebook servers all operated on the same data (via a central database or files on the filesystem or something), then one could have the best of both worlds... I guess. But I doubt I'm putting another

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-06 Thread Timothy Clemans
Ondrej, Did you have to stop supporting Sage altogether or just the Sage Notebook? On Mon, Oct 6, 2008 at 5:10 PM, Ondrej Certik [EMAIL PROTECTED] wrote: On Mon, Oct 6, 2008 at 9:49 PM, Alex Clemesha [EMAIL PROTECTED] wrote: Hi, Note -- if the notebook servers all operated on the same

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-06 Thread Ondrej Certik
On Mon, Oct 6, 2008 at 11:24 PM, Timothy Clemans [EMAIL PROTECTED] wrote: Ondrej, Did you have to stop supporting Sage altogether or just the Sage Notebook? Not sure what you mean by supporting. I was running the sage notebook from Sage so that anyone can log into it, just like sagenb.org.

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-06 Thread William Stein
On Mon, Oct 6, 2008 at 10:21 AM, Jason Grout [EMAIL PROTECTED] wrote: William Stein wrote: 2008/10/6 Thierry Dumont [EMAIL PROTECTED]: I would like to know if someone as used Sage with undergraduate students. My question is mainly a question about the material which would be necessary. We