kcrisman wrote: >> kcrisman, >> >> This was discussed recently. Several people said that if you start >> several Sage notebooks on the same machine or virtual machine, but >> different ports, things can scale up. It's having too many people on >> the same sage notebook that seems to be the problem. We aren't sure >> what the bottleneck is; someone needs to do some profiling to find out >> where it is. > > I am aware of the thread you are referring to; I am referring to > something different, at least I believe so!
Okay, great. > >> How much memory do you allocate to the virtual server? Are you sure >> that all the memory is being used up? >> > > My sysadmin says probably 512 MB. Yes, swap space is completely full > and main memory is very close to full. The machine does not halt - > you can usually still log in. His point of view is that the current > issue is not networking-related, but rather that the various notebooks > opening up are creating so many processes that the system is > overtaxed. > > What I am wondering is if anyone knows how quickly a) multiple logins > to a notebook might do that or b) interact processes might do that (do > the objects get cached, for instance?) or c) people forgetting to log > out and perhaps leaving a notebook running might do that or d) > something else I can't think of might do that. Sysadmin knows about > VMs but not so much about internals of Sage, so he isn't sure if it's > simply people logging in and then not logging out while the notebook > is still active, or if it could be something else. There is a timeout parameter for the notebook function that is supposed to automatically kill idle processes, I believe. That might alleviate problems stemming from (c). Jason --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
