Describe a project that you have done. Discuss the overall flow of how it works. Problem: Given a time series data which is a clickstream of user activity is stored in hive, ask is to enrich the data with session id using spark. Session Definition: Session expires after inactivity of 1 hour Data: click_time,user_id 2018-01-01 11:00:00,u1, u1s1 2018-01-01 12:10:00,u1, u1s2 2018-01-01 13:00:00,u1, u1s2 2018-01-01 13:50:00,u1 2018-01-01 14:40:00,u1 2018-01-01 15:30:00,u1 2018-01-01 16:20:00,u1 2018-01-01 16:50:00,u1 2018-01-01 11:00:00,u2 2018-01-02 11:05:00,u2
