Hi, I noticed memory leak issue in font complex-scripts features with trunk code. Not seen any memory issues with page numbers/totals. I tested my code on Mac 10.7 and CentOS 6.4 with visualvm profiler.
Thank you, Mahesh On Fri, Aug 9, 2013 at 12:20 AM, Bernard Giannetti < thebernmeis...@hotmail.com> wrote: > Hi, > > I have a Java desktop application, using embedded FOP to create PDFs from > a data XML file and an XSLT file. I wanted to see how much memory is being > used, given the point about memory usage, page numbers and page totals ( > http://xmlgraphics.apache.org/fop/1.1/running.html#memory). > > My PDF reports have a "page N of TOTAL" at the bottom right of each page > and I wanted to see the memory usage and compare to no page numbers and > just page numbers without totals. I also used the two variations for page > number totals (XSL 1.0 and XSL 1.1). > > To work out the memory usage I computed the difference when > calling Runtime.getRuntime().freeMemory() at the start and end of the > render process. I ran each render variation 5 times from a shell script > and each render kicked off a separate JVM to avoid any caching. Regardless > of whether I had page numbers or not, and page totals or not, it seemed the > result is that there is no difference between having page numbers/totals or > not. Sometimes the memory usage was 50 MB and sometimes 200 MB. > > I then used the sample code and data files from embedded FOP, > http://svn.apache.org/viewvc/xmlgraphics/fop/tags/fop-1_1/examples/embedding/. > I modified the data XML file to contain lots of entries, giving a data > file size of about 1 MB. I also modified the XLST file to include pages > numbers and then also page totals. Again, I noticed no difference in > memory usage. > > Given the varying values for memory usage I'm seeing, I assume my quick > and dirty method is inadequate. I expected variation, but mostly to see > far less memory usage when no page totals were used, but that's not the > case. > > Has anyone seen similar results? Does using page totals really use THAT > much more memory compared to not using page totals? > > > Thanks in advance, > > Bernard. >
