Re: Sessions memory issue

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John

You could certainly use that. I have not used it before.

François

On Oct 25, 2013, at 5:17 AM, John Carlo <johncarlof1976@gmail.com> wrote:

> Hello Francois,
>
> thank you very much for your reply. Not it's all clear.
>
> What about using shelve?
>
> import shelve
>
> db = shelve.open("database", "c")
> db["one"] = 1
> db["two"] = 2
> db["three"] = 3
> db.close()
>
> db = shelve.open("database", "r")
> for key in db.keys():
> print repr(key), repr(db[key])
>
>
> regards
>
> Il giorno giovedì 24 ottobre 2013 23:10:43 UTC+2, François Schiettecatte ha scritto:
> John
>
> There are a couple of ways you can handle this, either you store the files in a database as a TEXT blob, or as a temporary file somewhere.
>
> And you can identify your users with request.user if they have to have an account, or request.session.session_key if they don't, the session_key is the cookie. For either to work the client has to accept cookies.
>
> The temporary file approach will required a database table to link the file name to the user.
>
> I have used all of these and they all work well.
>
> If you need the text to be persistent across sessions I would store it in a database, if it is around for an hour then just store it in a temporary file.
>
> And make sure you have a process to delete old data.
>
> Finally you could also compress the text when you save it.
>
> Hopes this helps.
>
> François
>
>
> On Oct 24, 2013, at 3:51 PM, John Carlo <johncar...@gmail.com> wrote:
>
> > Hello everybody,
> >
> > I'm a newbie with Django, I love it but something it's not clear to me. So I'm here to make a question. Thank you in advance.
> >
> > I have an application that has some istances of custom classes I wrote. At every client request, every istance creates a big list of strings. Then, a function combines the lists generated from the istances and send them to the client.
> > I store the istances in the session, and the combining function get the istances through session. The problem is that the lists of strings comsume a lot of memory...
> > I know that sessions are stored in database, I can see them in the table django_session, but they are kept also in RAM, and this is my problem.
> > How can I reduce the RAM memory consumption?
> >
> > I thought 2 ways:
> > 1) Find a way to move the lists from the RAM and put them in the db, I hope there is something built-in in django session, but I did not find them
> > 2) Instead building the lists of strings, I create a temp file in which I will append every string. In the end the combining function reads the temp files and combines them
> >
> > Could you please help me? I'm really I'm really stuck on this...
> >
> > thank you very much!
> >
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