Were you including code in the image (which didn't come through) ? MultiVersionConcurrencyControl is involved in answering your question.
See http://hbase.apache.org/book.html#hregion.scans Cheers On Wed, Nov 2, 2016 at 10:57 AM, Manjeet Singh <manjeet.chand...@gmail.com> wrote: > Hi All > > I have ETL process for inserting data into hbase for this I have spark > jobs which are responsible for reading data from kafka topics. so my > question is if I have some rowkey already exist in hbase and I have 3 spark > job running and they all try to update on same rowkey how hbase deal for > atomicity? > > for more understanding i have 3 rowkey coming from 3 seprate spark job and > all trying to update same rowkey which is already exist in hbase table. > > [image: Inline image 1] > > -- > luv all >
