On Wed, 2020-05-20 at 09:30 +0200, Piotr Włodarczyk wrote: > We met unexpected PostgreSQL shutdown. After a little investigation > we've discovered that problem is in OOM killer which kills our PostgreSQL. > Unfortunately we can't find query on DB causing this problem. Log is as below: Is there nothing in the PostgreSQL log? Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com