From: | Maciek Sakrejda <m(dot)sakrejda(at)gmail(dot)com> |
---|---|
To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Shared memory changes in 9.4? |
Date: | 2014-05-28 00:22:08 |
Message-ID: | CAOtHd0DPtxDT-cwYGYr1DtdL6nc7NCmc8RT+6xujOGf3wHwg7w@mail.gmail.com |
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Lists: | pgsql-general pgsql-hackers |
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
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