optimize hive query to move a subset of data from one partition table to another table

[amit kumar singh]

Hi Team,

We have hive external  table which has 50 tb of data partitioned on year
month day

i want to move last 2 month of data into another table

when i try to do this through spark ,more than 120k task are getting created

what is the best way to do this

thanks
Rohit