How to findout Hbase PUT inserts a new Row or Update an exisiting row

Hello, We have a requirement to determine whether a PUT will create a new row or update an existing one. I looked at using preBatchMutate in a co-processor and have the code below. Few things I need to ask: 1) Is there a more efficient way of doing this? 2) Will region.getClosestRowBefore() add

How to findout Hbase PUT inserts a new Row or Update an exisiting row

Hello, We have a requirement to determine whether a PUT will create a new row or update an existing one. I looked at using preBatchMutate in a co-processor and have the code below. Few things I need to ask: 1) Is there a more efficient way of doing this? 2) Will region.getClosestRowBefore() add