Postgresql may crash when disk full, server goes down and hard to recover. I monitor database and found due to one database schema makes trouble. One table increase large size.
Try to delete data inside table.
delete from tablename;
This don’t works, as I try to delete it keep fail server and postgresql crash. but truncate immediate works.
truncate tablename;
In case same issue found, use truncate tablename, helps a lot.
than restart postgresql database;