I don't see super easy way, but below might help: 1. if this table is not external, make it external first: ALTER TABLE <table> SET TBLPROPERTIES('EXTERNAL'='TRUE') 2. drop the table 3. create a new table and define same partition column 4. manually move files in another 4 partition directories into the 6 partition directories that you want to keep evenly 5. remove the empty directories under the table 6. msck repair table to recover the 6 current partitions Hope above can help. Eric ... View more