Re: Safe vm.overcommit_ratio for Large Multi-Instance PostgreSQL Fleet

2025-08-06 Thread Priya V
I have not seen this myself, but trustworthy sources > have reported this repeatedly, which I am inclined to believe. This means > postgres execution can corrupt/terminate in unlucky situations, which is > impacts availability. > > > *Frits Hoogland* > > > > > On 5 A

Safe vm.overcommit_ratio for Large Multi-Instance PostgreSQL Fleet

2025-08-05 Thread Priya V
Hello Postgres community, We operate a large PostgreSQL fleet (~15,000 databases) on dedicated Linux hosts. Each host runs *multiple PostgreSQL instances* (multi-instance setup, not just multiple DBs inside one instance). *Environment:* - *PostgreSQL Versions:* Mix of 13.13 and 15.12 (upg