Re: BUG #14101: Postgres Service Crashes With Memory Error And Does Not Recover

From: Nathan Mascitelli <nathanmascitelli(at)geotab(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #14101: Postgres Service Crashes With Memory Error And Does Not Recover
Date: 2016-04-20 12:03:44
Message-ID: CAJddYyii+-5fDO2QKP3n30MgtOREq8jOgMb25vKabDGRSDdKcQ@mail.gmail.com
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Hi Tom,​

The machine has the postgres server and our application server on it. There
are ​around 300 databases and typically ~1000 connections. At the time of
the crash there was free RAM and disk space on the server.

Is there any other information I can give you?

Thanks,

*Nathan Mascitelli*
Geotab Inc.
Software Developer | B. Eng Engineering Physics

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On Tue, Apr 19, 2016 at 11:57 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> nathanmascitelli(at)geotab(dot)com writes:
> > I am running Postgres 9.4 on Windows Server 2012. I have had postgres
> crash
> > a few times with the following error:
> > FATAL: could not reattach to shared memory (key=00000000000000D0,
> > addr=00000001405E0000): error code 1455
>
> Hm, that's an odd one. According to
>
> https://msdn.microsoft.com/en-us/library/windows/desktop/ms681385(v=vs.85).aspx
> that is
>
> ERROR_COMMITMENT_LIMIT
> 1455 (0x5AF)
> The paging file is too small for this operation to complete.
>
> which suggests that this is a resource-exhaustion type of problem.
> How many backend processes are you trying to run concurrently,
> and what else is running on the machine?
>
> regards, tom lane
>

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