On Thu, Jul 24, 2003 at 08:17:12PM -0400, Greg Wooledge wrote: > I wish we *would* go back to the simple LRU cache. It seemed to work > a lot better than probabilistic caching does. I actually kind of like pcaching, however I think a solution that would make everybody happy (without the more complicated caching algorithms mentioned in other parts of this thread) is instead of having the cache LRU and the decision whether to cache probabilistic, Cache everything, but have cache expiration be probabilistic based on cache density. Apart from keeping the "I downloaded this so it should be in my cache" people happy, it would also lead to faster specialisation, as the decision whether to throw away a piece of data is done later when more information about the current (datastore-)specialisation is available.
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