Re: Download Attachment Out of Memory Error
Daniel Watts <[email protected]>
| Newsgroups | gmane.mail.squirrelmail.devel |
|---|---|
| Message-ID | <[email protected]> |
Jonathan Angliss wrote: > On Wed, 03 Jun 2009 11:34:22 +0100, Daniel Watts <[email protected]> > wrote: > >> Trying to download a 22MB rar file from sqirrelmail results in: >> >> Fatal error: Allowed memory size of 100663296 bytes exhausted (tried >> to allocate 71 bytes) in >> /var/www/localhost/webmail/functions/imap_general.php on line 491 >> >> >> We tried at 25MB xls file also - had to increase memory allowance to >> around 200MB to get it to download. >> >> Any ideas why so much memory for a relatively small file? > > Oi, why do people insist on emailing such big files :) I know i know! But they do. We often recommend yousendit.com =) > > bas64 encoding adds about a 3rd on top of the actual files size in > encoding. So your 25MB file is now about 32MB in raw encoded data. > > Now, the cause of the problem is because of how we are fetching the > data from the IMAP server. We're telling the IMAP server to give us > the object data back to us in a single call, not much we can do about > that, which means the IMAP server is dumping back to us the ~32MB of > encoded data, which we process in chunks and decode. The problem is, > we're dumping it into a variable to post back to the browser after > it's done, which is where the memory issue comes up. > > I'm skimming over the code to see if we can stream the decoded data > straight back to the browser instead of dumping it to a variable > first. I can see how this would double the memory required to 64MB+ but this still seems far short of the ~200MB we're seeing necessary. Or does the decoding algorithm need this extra memory for processing? Thanks John, Dan ------------------------------------------------------------------------------ OpenSolaris 2009.06 is a cutting edge operating system for enterprises looking to deploy the next generation of Solaris that includes the latest innovations from Sun and the OpenSource community. Download a copy and enjoy capabilities such as Networking, Storage and Virtualization. Go to: http://p.sf.net/sfu/opensolaris-get ----- squirrelmail-devel mailing list Posting guidelines: http://squirrelmail.org/postingguidelines List address: [email protected] List archives: http://news.gmane.org/gmane.mail.squirrelmail.devel List info (subscribe/unsubscribe/change options): https://lists.sourceforge.net/lists/listinfo/squirrelmail-devel