Do you have any caching in front of things? On Wed, Mar 30, 2011 at 7:07 AM, Chris Curvey <ccur...@gmail.com> wrote: > When my Django system is under heavy load (system CPU > 90%), I start > getting complaints from users that their authentication changes in the > middle of a session. For example: > > 1) Bob logs in to the site. The site says "Hello Bob" at the top of > each page. > 2) Bob uses the site for a while without incident > 3) Bob notices that the top of the page now says "Hello Steve". > > The problem is intermittent, and I can't duplicate it (but I have seen > it with my own eyes). I'm running Django 1.2.5 on Windows, with > SessionMiddleware installed. I have django.contrib.sessions in my > INSTALLED_APPS, and I believe that I'm using database-backed sessions, > with a MySQL database. > > The only "odd" thing that I'm doing is that I have four instances of > Apache running, with my Django app running via mod_wsgi in each of > them. There is another apache server in front that does load- > balancing, so multiple requests from a single user may get routed to > different apache instances (which is what I want, to get maximum > throughput on Ajax calls). But I thought that having the sessions be > database-backed would deal with this (multiple session requests can > hit the database at the same time). > > Any thoughts? I'm sorry this is such a lousy, unrepeatable case. > > P.S. I have looked at http://code.djangoproject.com/ticket/1180, > which says that this issue has been fixed, but I can't tell if this is > the same issue or not. > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To post to this group, send email to django-users@googlegroups.com. > To unsubscribe from this group, send email to > django-users+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/django-users?hl=en. > >
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