Thomas wrote:
Hi
I have to concatenate almost 25 individual PDF's to a single one,and depending
on the type i have to stamp (edit) on some documents.I am using Arial font for
stamping contents on to the PDF file.I have created a utility class having
methods for each operation like one for Reading one for concatenation one for
editing and so on.
The problem is when i run it in WSAD it is working fine.The total file size is
up to 3MB.But when I load it in the server It is not even able to serve one
request.The server is thowing Out Of memory error.
There are ways to limit memory use, for instance construct the PdfReader
with the class RandomAccessFileOrByteArray instead of a String
(filename), and code can often be optimized so that unnecessary objects
aren't kept in memory for too long. You should look at the memory use
and try to tune your code.
But remember that stamping and copying does NEED some memory. For
instance: I have a 5 kbytes PDF, when read fully by PdfReader it takes
30 kbytes. The reason? (1) the objects that hold the document need
memory and (2) the 5 kbytes represent a compressed document, when read
by iText, the content is being decompressed.
br,
Bruno
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