Re: Shared memory changes in 9.4?

On Mon, May 26, 2014 at 12:24 AM, Andres Freund <andres(at)2ndquadrant(dot)com>wrote:

> Any chance you're using a 9.3 configuration file instead of the one
> generated by initdb?
> dynamic_shared_memory_type defaults to 'posix' if not specified in the
> config file (on platforms supporting it). If initdb detects that 'posix'
> can't be used it'll emit a different value. If you're copying the config
> from 9.3 and your environment doesn't support posix shm that'll cause
> the above error.
> I still think dynamic_shared_memory_type should default to 'none'
> because of such problems.
>

It works with 'none' and 'sysv'--I think the issue is that technically our
environment does support 'posix', but '/dev/shm' is indeed not mounted in
the LXC container, leading to a discrepancy between what initdb decides and
what's actually possible. Thanks for your help.

Thanks,
Maciek