Very good, and thanks for your response. I do wonder, however - if the
file session is slow and db is recommended, why I would bother with session
at all? The data I'm "caching" in the session actually lives in the
database - I was trying to increase performance and the user experience by
avoiding a database hit for this data on every request.
I'm coming from the .NET world, where server sessions are in memory and
quite fast. Seems like I need to rethink the whole process.
Thanks!
NSC
On Friday, April 13, 2012 11:20:09 AM UTC-4, drx wrote:
>
> > Hi all, I've been working day and night to convert an asp.net app to
> > python using web.py. Things have been going great, but as the
> > application grows, I'm starting to see this error a lot:
> >
> > File "/Library/Python/2.7/site-packages/web.py-0.36-py2.7.egg/web/
> > session.py", line 206, in decode
> > return pickle.loads(pickled)
> > BadPickleGet: 321660
> >
> > It seems *something* is getting corrupted in the session? Once this
> > starts happening, the app is completely down until I manually delete
> > the files from the sessions directory.
> >
> > I am keeping several large objects in the session, including one huge
> > xml configuration file. I need the session because reading it from
> > the disk for each request takes too long.
> >
> > Here's my session setup line from my main class:
> > session = web.session.Session(app, web.session.DiskStore('sessions'))
> >
> > I should also note that killing and restarting my process doesn't help
> > - once the session *file* is munged, nothing works until I delete it.
> >
> > Anyone ever seen this behavior?
> > Thanks!
>
> Do not use file based sessions for large objects or anything where two or
> more
> accesses to a session file could happen at the same time. File based
> sessions
> are slow and race conditions seem to cause trouble all the time. Use a
> database
> storage for your session data.
>
> Bests,
> Dragan
>
>
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