Re: _mdfd_getseg can be expensive

From: Andres Freund <andres(at)anarazel(dot)de>
To: Peter Geoghegan <pg(at)heroku(dot)com>
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: 2016-07-01 01:23:15
Message-ID: 20160701012315.7ng4zsnsxcoecuw6@alap3.anarazel.de
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On 2016-06-30 18:14:15 -0700, Peter Geoghegan wrote:
> On Tue, Dec 15, 2015 at 10:04 AM, Andres Freund <andres(at)anarazel(dot)de> wrote:
> > Took a while. But here we go. The attached version is a significantly
> > revised version of my earlier patch. Notably I've pretty much entirely
> > revised the code in _mdfd_getseg() to be more similar to the state in
> > master. Also some comment policing.
>
> Are you planning to pick this up again, Andres?

I plan to, once the tree opens again. Likely needs some considerable
updates for recent changes.

Andres

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