I don't recall that it has ever caused a problem, no. The values are just keys in a hashtable, so don't need to be sequential.
On Fri, Jul 6, 2012 at 8:26 PM, Dan Brickley <dan...@danbri.org> wrote: > I recall having problems with this before, using the non-Mahout Taste > code. I have meaningful strings for content IDs and had mapped them > systematically to pseudo-meaningful (but non-sequential) numbers. I > remember that causing some problems a year or so back, ... but I'm > trying it again now with the itemsimilarity Hadoop job. If I need to > iterate through all rows in the log and generate consecutive counts to > identify items and users I guess I could, though it doesn't seem very > Hadoop-friendly. Or should I be OK with anything that's int-shaped? > > Dan
