Any thoughts or comments on this ? Of course, I don't expect anybody to make a commitment that it will change in backwards compatible ways.
Alexios On Feb 8, 2012, at 5:30 PM, Alexios Giotis wrote: > Hi, > > I am already storing some millions per month of files containing FOP > intermediate format (FOP_IF) using a private patched branch based on FOP 1.0. > The current use case is performance. If a document is found in the store > containing FOP_IF, then use it and create the final output format (typically > PDF). If not, then start from XML. The retention period of the FOP_IF files > is 6 months to 1 year. The XML files are kept for at least 10 years. In my > tests, 85% of the time is spent on the layout and the rest for rendering. > This has worked well, especially for big documents (with thousands of pages). > I have no worries about the FOP_IF format and how it will evolve as I know > that they will be gone after 6 months or one year max. And for sure, I can > keep an older version for that long. > > I am now planing to use FOP in different ways and use cases such as: > > 1. Bypassing FOP's layout engine and it's quirks in XSL:FO input, cpu-time > and memory. This means directly creating FOP_IF. With the same effort, I > could use PDFBox (or iText 2.x) to create PDF files. But having FOP_IF, I > also produce AFP, PS and PCL which I need and I know no other open sources > renderers. > > 2. Longer storage of FOP_IF. Compared to storing XML, it's faster, less > components are involved until the final output and it allows for easier > versioning. For example, given the same XSL:FO input, FOP 2.0 will not > produce the *identical* content as FOP 1.0 (I hope somebody will disagree to > this :) Compared to storing PDF, the required space is much less as I have > big volumes on expensive EMC storage. Secondly I retain the flexibility on > selecting parts to render. Not all users have the permissions to see all > parts of the documents. Also, some users see masked values (e.g. stars in > place of a card number). > > > For both cases, I really need to know your thoughts and plans for FOP_IF. > Watching the lists the last 2 years, I have not noticed anything related to > it. > > > Greetings, > Alexios Giotis > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
