Define precisely what you mean by "high cardinality columns". Do you mean:
1) a single indexed value is present in a lot of rows 2) a single indexed value has only a few (if not just one) matching row On Sat, Oct 15, 2016 at 8:37 AM, Kant Kodali <k...@peernova.com> wrote: > I understand Secondary Indexes in general are inefficient on high > cardinality columns but since SASI is built from scratch I wonder if the > same argument applies there? If not, Why? Because I believe primary keys in > Cassandra are indeed indexed and since Primary key is supposed to be the > column with highest cardinality why not do the same for secondary indexes? >
