Thomas Munro <thomas.munro@xxxxxxxxxxxxxxxx> writes: > On Wed, Jan 3, 2018 at 6:13 PM, Thuc Nguyen Canh > <thucnguyencanh@xxxxxxxxx> wrote: >> mount | grep /dev/shm >> => shm on /dev/shm type tmpfs (rw,nosuid,nodev,noexec,relatime,size=65536k) > Bingo. Somehow your container tech is limiting shared memory. If this is a common setup, maybe we're going to need a new section under or near https://www.postgresql.org/docs/current/static/kernel-resources.html#SYSVIPC It's pretty annoying to have sweated blood to get out from under the kernel's chosen-at-random SysV IPC limits, only to run into container tmpfs limits that seem equally chosen with the aid of a dartboard. regards, tom lane
