I have my doubts about those values. Although everything happens in
memory, once the Image object is constructed the memory usage shouldn't
deviate that much from the original TIFF size. Did you do a gc() and
checked the memory?
Paulo
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of M.-Leander Reimer
> Sent: Wednesday, October 31, 2007 12:56 PM
> To: Post all your questions about iText here
> Subject: [iText-questions] Memory consumption for TIFF images
>
> Hi iText users,
>
> quick memory consumption question/problem when reading a large TIFF
> image using Image.getInstance(String)
>
> The TIFF is 217M and uncrompressed, I wrote a small test program that
> simply constructs the iText image instance. After the image has been
> read the heap space usage jumped to an enormous 776MB
> (figures are from
> JConsole)
>
> As a comparison, when I read the same image using ImageIO Tools, the
> heap space only grows by pretty much the size of the TIFF.
>
> 1. Why does iText require so much more heap space for the same image?
>
> 2. Is there a way I can reduce the required heap space when
> generating
> PDFs with several large TIFF images?
>
> Looking forward for any suggestions!
>
> Thanks,
> Leander
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