We have a typical site that includes users and products. If we wanted to
log all user product views and when they viewed them, how would one
model this in HBase? As far as I can tell there are at least 2 ways.
1) Each row key would he user/epoch and there would be only 1 column
"products:id" with a value of the item id. This would lead to 1 row per
user per product view.
2) Each row key would be the user while each column would be
"products:epoch" with a value of the item id. This would be one row per
user having 1 column per product view.
3) I'm sure there is a third but I can't think of one :)
What is more preferable and more importantly, why? Large number of rows
or fatter rows?
Thanks
