I should have added that there are some other testing notebook servers, e.g., http://demo.sagenb.org that are barely used. If sagenb.org is slow you can use those.
On Fri, Feb 12, 2010 at 8:39 AM, William Stein <[email protected]> wrote: > On Fri, Feb 12, 2010 at 8:31 AM, D.C. Ernst <[email protected]> wrote: >> I had my Calculus II students working on an Introduction to Sage lab >> today. We didn't have access to a computer lab today, so a few of >> them brought laptops. I had them working in groups and the first >> thing they were supposed to do was create a sagenb account. One > > I improved sagenb.org so it could be used by more people effectively. > Now there are 25,000 accounts. > It's getting hammered pretty hard, especially during day hours. E.g., > I just looked at the log of people > doing stuff a few seconds ago (everything below is during 1 *second*): > > 2010-02-12 08:37:03-0800 [HTTPChannel,88390,127.0.0.1] User > 'codyrude' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88445,127.0.0.1] User 'cmullan' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88532,127.0.0.1] User 'ekuest' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88495,127.0.0.1] User 'ajaeger' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88415,127.0.0.1] User 'ribet' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88497,127.0.0.1] User 'hnakao' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88444,127.0.0.1] User 'koyama' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88200,127.0.0.1] User 'parlar' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88576,127.0.0.1] User > 'i_grivell' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88578,127.0.0.1] User 'wangwh' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88204,127.0.0.1] User 'ekuest' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88404,127.0.0.1] User 'hebites' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88448,127.0.0.1] User 'daldrich' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88585,127.0.0.1] User > 'dinolorenzini' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88449,127.0.0.1] User 'daldrich' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88411,127.0.0.1] User > 'xroywadex' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88524,127.0.0.1] User 'scofield' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88441,127.0.0.1] User 'penalosa' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88081,127.0.0.1] User > 'GonzaloOrellana' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88191,127.0.0.1] User 'penalosa' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88406,127.0.0.1] User 'xime' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88536,127.0.0.1] User 'coringa' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88514,127.0.0.1] User > 'MathematicsForCG' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88534,127.0.0.1] User 'scofield' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88447,127.0.0.1] User 'coringa' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88281,127.0.0.1] User > 'Allhopeforhumanity' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88318,127.0.0.1] User 'penalosa' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88450,127.0.0.1] User > 'MathematicsForCG' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88084,127.0.0.1] User 'DerKeil' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88583,128.95.224.68] User > 'wstein' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88431,127.0.0.1] User 'ajaeger' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88270,127.0.0.1] User 'xarles' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88142,127.0.0.1] User 'ethan' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88275,127.0.0.1] User > '[email protected]' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88507,127.0.0.1] User 'scofield' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88101,127.0.0.1] User > 'dinolorenzini' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88278,127.0.0.1] User > 'GonzaloOrellana' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88405,127.0.0.1] User 'DerKeil' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88202,127.0.0.1] User > 'CrystalPegasus' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88296,127.0.0.1] User > 'xturner221x' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88353,127.0.0.1] User > 'math_in_maine' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88424,127.0.0.1] User 'j.tworek' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88496,127.0.0.1] User 'hnakao' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88080,127.0.0.1] User 'rafarob' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88387,127.0.0.1] User > 'xturner221x' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88575,127.0.0.1] User 'ajaeger' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88451,127.0.0.1] User > 'CrystalPegasus' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88586,127.0.0.1] User > 'dinolorenzini' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88442,127.0.0.1] User 'ebodine' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88429,127.0.0.1] User 'penalosa' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88409,127.0.0.1] User > 'dinolorenzini' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88352,127.0.0.1] User > 'hairybill' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88518,127.0.0.1] User > 'xroywadex' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88283,127.0.0.1] User 'coringa' logged > in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88525,127.0.0.1] User > '[email protected]' logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88274,127.0.0.1] User 'scofield' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88492,127.0.0.1] User 'penalosa' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88397,127.0.0.1] User 'kkulesza' > logged in. > 2010-02-12 08:37:03-0800 [HTTPChannel,88535,127.0.0.1] User 'compmath' > logged in. > 2010-02-12 08:37:04-0800 [HTTPChannel,88528,127.0.0.1] User > 'MathematicsForCG' logged in. > 2010-02-12 08:37:04-0800 [HTTPChannel,88508,127.0.0.1] User > 'mattwanless2' logged in. > 2010-02-12 08:37:04-0800 [HTTPChannel,88446,127.0.0.1] User > 'dinolorenzini' logged in. > 2010-02-12 08:37:04-0800 [HTTPChannel,88440,127.0.0.1] User 'rafarob' logged > in. > 2010-02-12 08:37:04-0800 [HTTPChannel,88502,127.0.0.1] User > 'dinolorenzini' logged in. > 2010-02-12 08:37:04-0800 [HTTPChannel,88529,127.0.0.1] User 'penalosa' > logged in. > 2010-02-12 08:37:04-0800 [HTTPChannel,88408,127.0.0.1] User > 'Allhopeforhumanity' logged in. > > I will have to do further work and profiling to scale the notebook to > work robustly for even more users. > Note that the bottleneck at this point has nothing to do with the > hardware or network -- it's entirely a software/programming problem. > I'll work on this during the spring quarter (paid for by Univ of > Washington). > > William > > >> student would create an account, then log out, then hand the laptop to >> the next student in the group to create an account. There were >> several headaches that followed. We got lots of "proxy" errors that I >> had never encountered myself, quite a few "cookie incidents", and >> timeout issues which were related to the wireless in the room. It >> wasn't the best first introduction to Sage, but hopefully my >> overwhelming excitement about Sage counteracted any frustration. >> >> -- >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected] >> For more options, visit this group at >> http://groups.google.com/group/sage-support >> URL: http://www.sagemath.org >> > > > > -- > William Stein > Associate Professor of Mathematics > University of Washington > http://wstein.org > -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org -- To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
