Re: Something fishy happening on frogmouth

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Andrew Dunstan <andrew(at)dunslane(dot)net>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Something fishy happening on frogmouth
Date: 2013-10-30 16:39:02
Message-ID: 4875.1383151142@sss.pgh.pa.us
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Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Wed, Oct 30, 2013 at 9:26 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Also, why is the error "not enough space", rather than something about
>> a collision? And if this is the explanation, why didn't the previous
>> runs probing for allowable shmem size fail?

> Good questions. I think that my previous theory was wrong, and that
> the patch from Amit which I pushed a while ago should fix the
> breakage.

Indeed, I see frogmouth just went green, so Amit nailed it.

I'm still wondering why we try to create a DSM segment in bootstrap.

regards, tom lane

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