I know of celery, it's a good software, but little too complicated and expensive for the task I'm asking about. I'll probably use built-in session timeout, as Shawn suggests. But I think eventually I'll come back to celery when my demands will rise as I'll have a need for delayed processing in my Django-app.
I need to know all users presence statuses, and this statuses are updated asynchronously for logged users using comet push. So I need some kind of roster rather then crawling over all users to check their last activity timestamp. On Jan 15, 1:21 pm, David De La Harpe Golden <david.delaharpe.gol...@ichec.ie> wrote: > E17 wrote: > > I wouldn't like to use cron, as running full python execution stack is > > quite expensive in terms of performance. For the same reason I don't > > like to run this code on [every] request handlers. > > > Seems to me like better solution would be to use some outer deamon or > > deamon-like proces that would handle this functionality. I've googled > > out at least 2 solutions for that > > Well, celery is a comprehensive solution for general background and > periodic task processing in conjunction with django and works very > wellhttp://ask.github.com/celery/introduction.html > > May not be necessary to do what you want though - if you have a last > activity timestamp in the session, you could consider just lazily > showing "away" status when it's more than a certain amount in the past > when it comes to display the status, rather than eagerly updating a flag > with some scanner background task. (I think the idea is you want "away" > status to show well before any true session timeout leading to logout, > right?)
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