Definitely PostgreSQL. https://www.2ndquadrant.com/en/postgresql/postgresql-vs-mysql/
‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Monday, December 10, 2018 5:10 PM, ramandu...@gmail.com <ramandu...@gmail.com> wrote: > Hi All, > > It seems that Airflow supports mysql, postgresql and mssql as backend store. > Any recommendation on using one over other. We are expecting to run 1000(s) > of concurrent Dags which would generate heavy load on backend store. > Any pointer on this would be useful. > > Thanks, > Raman Gupta