I have just finished transitioning the export functionality on some existing code from multiple .csv-files to an .ods multisheet spreadsheet. The implementation was a breeze with the great toolbox provided by the jOpenDocument library -- so firstly a big thank you to all the developers.
The only issue I am having is the memory footprint of the spreadsheet structure. With a java maximum heap size of 196MiB, i run into heap errors when trying to create spreadsheets with more than ~150 000 entries. This corresponds to around 1kiB of heap memory per entry. For my uses, I need to reduce the memory footprint, and hope that this could be possible, at least for my use-case where I am storing simple un-formatted numbers and strings? Does anyone have an idea for a strategy I could pursue to enable jOpenDocument to handle large unformatted spreadsheets? Can I for instance disable per-cell styling, and would this help? /Janus
