Re: _mdfd_getseg can be expensive

From: Peter Geoghegan <pg(at)heroku(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Kevin Grittner <kgrittn(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: _mdfd_getseg can be expensive
Date: 2016-08-19 00:43:53
Message-ID: CAM3SWZTUUuQeEf7NrQQnVzRHNjvSkevj35dY+YaZGBytjdTphg@mail.gmail.com
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On Thu, Aug 18, 2016 at 5:42 PM, Andres Freund <andres(at)anarazel(dot)de> wrote:
> How large was the index & table in question? I mean this really only
> comes into effect at 100+ segments.

Not that big, but I see no reason to take the chance, I suppose.

--
Peter Geoghegan

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