Support for Dynamic Partitioning in HCatWriter

Hi, Currently, WriterEntity takes Map partitionKVs as an input configuration to write records to a partition. Can this be enhanced to take List partitionColumns and depending on the value of these columns, write records to their respective partitions? Can we automatically spawn a MR job to achie

What is the background introduced by Hive MetaStore?

Hello:       What is the background introduced by Hive MetaStore? Why use MetaStore?        thinks.  I am looking forward to your reply??