Today we again had massive performance problems on the web server for several hours. Now it is fixed in a way that sounds strange, but makes sense when you think about it.
Some facts: We had 45795291 hits on the web server (file accesses like html files, images etc) in the whole month of june. Of these 8505586 hits access the update.txt - the file PDFCreator checks if it wants to see if there is a new version. This makes more than 3 update.txt requests per second, if they were fired with a constant rate. Practically, we get up to about 50 hits per second.