On Mon, 2021-06-14 at 18:16 +0800, Yi Sun wrote: > After checking doc, only mentioned vm.overcommit_memory=2, but didn't mentioned vm.overcommit_ratio recommended value > https://www.postgresql.org/docs/11/kernel-resources.html#LINUX-MEMORY-OVERCOMMIT > some articles mentioned that 80 or 90 configuration in their env > So is it OK just to configure vm.overcommit_ratio to 90 please? It depends on the size of RAM and swap space: overcommit_ratio < (RAM - swap) / RAM * 100 Here, RAM is the RAM available to PostgreSQL. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com
