Cassandra: 3.3 On my test system I create a table
create table eventinput ( event_id varchar , event_class_cd int , event_ts timestamp , client_id varchar , event_message text , primary key ((client_id,event_id),event_ts) ) I created an index on client_id create index idx1 on eventinput(client_id); When I query select * from eventinput where client_id = 'aa' ALLOW filtering ; I get random results. One time it is 200, another time 400 or 500 or 600 and sometimes 0. Why ?