users want to make plots from large numbers of large datasets
users are guaranteed to all want the same, complete set of datasets
2.5) users play nicely
short on dev time
The large data case suggests something nice like serverside caching Show and Tell - Server Side Caching
But, 2 and 2.5 basically remove the need for that solution.
Could possibly just use a sqlite db and write to disk, but short on dev time precludes that.
hi @rictuar
It seems to me like you asking how to save state on the server. Probably using/connecting to a database with callbacks is the way to go. An sqlite db should work.