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From Tilman Hausherr <THaush...@t-online.de>
Subject Re: PDFRendering
Date Mon, 27 Jun 2016 15:47:38 GMT
Am 27.06.2016 um 15:39 schrieb John Hewson:
>> On 24 Jun 2016, at 00:55, Ankit Agarwal <ankyizhere@gmail.com> wrote:
>> Hi,
>> When i try to covert pdf to image then for some pdfs i get a "out of
>> memory" error. So i increased heap size and then i again got the error for
>> some different pdf file.
>> for the time being assume I have no memory leak from other objects. So what
>> would be the reason for this memory out of error?
>> Would it be just that the image is so large(which is not the case i think)
>> that it consumes heap, or maybe pdfbox stores buffered image of each pages
>> in its memory and this contributes to the growing heap size?
>> Any insight would be wonderful.
> Usually it’s because the PDF contains a compressed image which is very large
> when decompressed. So the file isn’t big on disk, but it is in memory. Try using
> a 32-bit JVM as these use less memory. 1GB of heap is usually enough but you
> can go larger.

He does use 32bit JVM. I tried two of his files on a 64bit JVM and it 
has rendered for 24 hours with -Xmx400m.



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