[imp] Cannot download large folder

Andrew Morgan morgan at orst.edu
Tue Jul 17 17:25:43 UTC 2007


On Tue, 17 Jul 2007, Otto Stolz wrote:

> Chuck Hagenbuch has answered:
> > I would try upping the memory limit first, to at least twice the size 
> > of the largest folder that you want to be downloadable.
> 
> Alas, that has not helped much. I have enlarged the limit, stepwise,
> up to 256 MB -- more than 6 times the respective folder's size (81 MB).
> The PHP error log has the following entry:
> > PHP Fatal error:  Allowed memory size of 268435456 bytes exhausted
> > (tried to allocate 81942820 bytes)
> > in /var/srv/www/htdocs/webmail/horde/imp/lib/Folder.php on line 600
> 
> I have just checked in the IMAP (Cyrus) server's file system that the
> folder in question does not have any subfolders (hence, a fortiory, has
> no softlinks on itself).
> 
> What now, brown cow?
> 
> Thanks for any hint,
>    Otto Stolz

>From the PHP error message, your memory limit is still too low.  A more 
useful question might be, "Why does it require so much memory to download 
a folder and how can the memory footprint be reduced?"  Note - I can 
trigger this error on my system also with a mailbox that is approximately 
1/3 my php memory limit.

 	Andy


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