I tried using the external table method but I run out of memory. My mongo collection (table2) has 10 million records (0.755 GB) and reading from it works. After the insert task fails I do a count on the native table (table1) and it contains 0 rows. My query looks like this: "INSERT INTO table1 SELECT * FROM table2", if I add "LIMIT 1000" it works, however I need to migrate the entire collection. I attached the output from beeline. ... View more