>>> >> Thank you. Let me test it and see the benefit. We have a use case for this. > Well the result is not what I expected. this is the sql I used copy TEST.TABLE1 from '/var/lib/postgresql/data/rkrishna/copytesting/xaa' with delimiter '|' NULL as '' CSV HEADER; >From another session copy TEST.TABLE1 from '/var/lib/postgresql/data/rkrishna/copytesting/xab' with delimiter '|' NULL as '' CSV HEADER; Each had 16M rows. I see that one copy is blocking other. The table has no indexes while loading. Aren't they suppose to run concurrently without locking ?
