I looked at this some more and I am not sure HBase will work out... it doesn't support anything like a query it seems. Really is just a distributed sorted map, which is a bit less than BigTable. Not even a "how many rows are in the table method" it seems.
On Fri, Aug 29, 2008 at 6:20 PM, Sean Owen <[EMAIL PROTECTED]> wrote: > Nah, pretty much random -- well, most of the queries are like "show me > all ratings for item ID x" or "... from user ID x" though some are a > bit more complex. I think you can get 90% of what's needed from two > HBase tables, one keyed by user and the other by item, though you end > up duplicating a lot of data. Perhaps there are answers to that, and > to the other sorts of queries that are needed. It could be that it's > just not a fit but seems like there might be some way to use it > effectively for this purpose.
