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Naquaduh  
#1 Posted : Friday, October 5, 2007 2:50:51 AM(UTC)
Naquaduh

Rank: Member

Groups: Member
Joined: 9/10/2007(UTC)
Posts: 8

Hello,

We keep a database driven log of our uploaded files and we came across a strange phenomenon.
64% of the time, TIF files that have been uploaded are, on average, 3 times as large as the original file size! I am not sure which upload method that was used as we don’t log this. (We are currently changing our logging to include the upload method.)
Any idea as to why this would be occurring?

Thank you,
Jason DiMeo
Naquaduh  
#2 Posted : Friday, October 5, 2007 2:56:02 AM(UTC)
Naquaduh

Rank: Member

Groups: Member
Joined: 9/10/2007(UTC)
Posts: 8

Sorry. Forgot to tell you the version we are using.

Java version: 2.5.50.0
ActiveX version: 4.5.50.0

Thanks
Alex Makhov  
#3 Posted : Friday, October 5, 2007 11:05:28 AM(UTC)
Alex Makhov

Rank: Advanced Member

Groups:
Joined: 8/3/2003(UTC)
Posts: 998

Hello Jason,

Uploaded source files (SourceFile_NN) could not be larger than the originals because that are only the copies. As for thumbnails (UploadThumbnail1_NN), it is possible. Image Uploader reads image from the file and then compresses it according to appropriate settings. So if your TIFF file has been made as a low quality copy of some original image, it could have a very low size. But when Image Uploader reads this TIFF file image it recompresses this image with JPEG quality usually set to 100% that’s why thumbnail could be bigger than the original file. That is a reason of the problems.

Edited by user Sunday, February 24, 2008 5:56:20 PM(UTC)  | Reason: Not specified

Sincerely yours,
Alex Makhov

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