Hi Paul,

On Thu, Nov 11, 2010 at 07:05, Paul Harris <[email protected]> wrote:

> On 11 November 2010 13:51, Caleb James DeLisle <[email protected]
> >wrote:
>
> > The first thing I should tell you is with the windows installer, all of
> the
> > wiki is kept in ram so
> > you adding large attachments will soon put you in a position of being
> > unable to load the wiki and
> > exporting (to move to a .war with a "real" database) will become very
> > difficult.
> >
>
> So you are saying, if I can't run the wiki, I won't be able to export it
> and
> thus can't move the server to a new platform?
>
> I assume, that once its running in a "real" database, I will not need to
> "export" it, but instead I can just use the normal database
> backup/restore.... right?
>
>
> >
> > That said, the page you want is
> > http://yourwi.ki/xwiki/bin/edit/XWiki/XWikiPreferences?editor=object
> > Expand the section called "XWikiPreferences 1" and you should find the
> > setting you are looking for.
> >
> >
> ok got it, seems to be 33mb limit.
>
>
> > In a postgres database with 1024MB of ram, you will still find a limit
> > around 50MB, something we are
> > working to change.
> >
>
> ouch, how can that be?  thats nothing, I know people who want to upload
> multi-gigabyte files (rather than posting them on a DVD via snail mail).
>
> I wrote a little C++ cgi app with libcurl, and that uses a streaming
> technique so the data is streamed out to the http client, so it doesn't
> require any more ram than to load the index of files.
>
> Can't you do something similar in Java?   Don't load the file off the
> harddisk, instead stream it from the harddisk/database.
>

As Caleb mentioned it, we're working on that. He's actually the one working
on implementing the fix right now ;-)

Please keep us posted about what you like and don't like about XWiki, we'll
be happy to get your feedback!

Guillaume


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