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Re: Recommended backend metastore for Airflow


Postgres.

Friends don't let friends use MySQL is my personal rule.

(I can get in to the reasons if you'd like, but the short version is I find Postgres has more compliant behaviour with SQL standard, and a much better query planner.)

-ash

> On 10 Dec 2018, at 15:10, ramandumcs@xxxxxxxxx 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