Hi Christian: On Tue, 28 May 2024 at 18:40, Christian Schröder <christian.schroeder@xxxxxxx> wrote: > <2024-05-21 11:34:46 CEST - mailprocessor> ERROR: could not resize shared memory segment "/PostgreSQL.2448337832" to 182656 bytes: No space left on device This hints at some shm function getting an ENOSPC: Coupled with... > I thought this could all be related to our "shared_buffers" setting, so I increased it to 8 GB. This almost immediately (after a few minutes) gave me these errors: A faster fail when increasing it I would start by checking your IPC shared memory limits are ok, especially if you upgraded something in the OS when going from 9 to 15, which seems likely. IIRC in linux you can read them in /proc/sys/kernel/shm*, and they were configured via sysctl. Francisco Olarte.
