It’s comparable to and depends on selectivity of the query, like any database index. On a 10TB tpc-ds web_sales with 1:150 selectivity, we see an impressive 95%

It’s comparable to and depends on selectivity of the query, like any database index. On a 10TB tpc-ds web_sales with 1:150 selectivity, we see an impressive 95% gain. If the query fetches out most records for e.g, then gains will be lower