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Re: [SEMI-SOVLED] WOFileUpload + WORepetition, how to?
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Re: [SEMI-SOVLED] WOFileUpload + WORepetition, how to?


  • Subject: Re: [SEMI-SOVLED] WOFileUpload + WORepetition, how to?
  • From: Mike Schrag <email@hidden>
  • Date: Thu, 20 Jul 2006 14:23:34 -0400

And for more info than you ever wanted, see:
http://en.wikibooks.org/wiki/Programming:WebObjects/Web_Applications/ Development/Database_vs_Filesystem


On Jul 20, 2006, at 2:15 PM, Chuck Hill wrote:


On Jul 20, 2006, at 10:14 AM, Miguel Arroz wrote:

Also, how can I put the file data in an EO (and save it to the DB) without having to read the whole file into memory?

I'm thinking that it might be better to store the files as files on the file system instead of the DB, it should perform better for large files (and concurrent access, the DB channel will get jammed).


What does your valuable experience say about this? :)

For large files, putting them in the file system makes sense. You can stream directly from the browser to the file system and then, for download, from the filesystem back to the browser without using huge amounts of JVM memory. Of course, keeping the database and the file system in synch can be tricky.


Chuck

--
Coming sometime... - an introduction to web applications using WebObjects and Xcode http://www.global-village.net/wointro


Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/products/ practical_webobjects




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References: 
 >WOFileUpload + WORepetition, how to? (From: Miguel Arroz <email@hidden>)
 >[SEMI-SOVLED] WOFileUpload + WORepetition, how to? (From: Miguel Arroz <email@hidden>)
 >Re: [SEMI-SOVLED] WOFileUpload + WORepetition, how to? (From: Chuck Hill <email@hidden>)

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