On Thursday, 14 November 2013 at 21:31:52 UTC, Jacek Furmankiewicz wrote: How often do you change the data? Probably, you should use `immutable` variables.
Customer specific. It may change once a year. It may change multiple times per second for a while, then nothing again for weeks.
Others may do mass loads of business rules, hence do mass changes every few hours.
Next to impossible to predict.
