[imp] Cannot download large folder

[Chuck Hagenbuch]

Quoting Otto Stolz <Otto.Stolz at uni-konstanz.de>:

> One of my customers cannot download a large folder
> (“du” command reports: “81M”), whilst he has successfully
> downloaded two smaller folders. The user reports that
> he sees, whenever he has hit the “Download Folder(s)” button,
> after the “All messages ... will be downloaded” popup,
> a blank page.
>
> Grepping various configuration files for the catchwords
> “limit”, “size”, and “stor”, I have found:
> - in horde/config/conf.php:
>    $conf['session']['cache_limiter'] = 'nocache';
> - in horde/imp/config/conf.php:
>    $conf['fetchmail']['size_limit'] = '4000000';
>    $conf['compose']['attach_size_limit'] = '51904512';
> - in /etc/php5/apache2/php.ini
>    memory_limit = 128M
>    post_max_size = 8M
>    upload_max_filesize = 50M
>    session.cache_limiter = nocache
> - nothing in /etc/apache2/*.conf
>
> Now the question is, where is a size limit I should mend?

I would try upping the memory limit first, to at least twice the size  
of the largest folder that you want to be downloadable.

-chuck