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Date: Wed, 22 Nov 2017 16:16:49 -0800
From: Andres Freund <andres@anarazel.de>
To: Simon Riggs <simon@2ndQuadrant.com>, Tomas Vondra <tv@fuzzy.cz>
Cc: pgsql-committers@postgresql.org
Subject: Re: pgsql: Generational memory allocator
Message-ID: <20171123001649.y2nf7422iay6cw3v@alap3.anarazel.de>
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Hi,

On 2017-11-22 18:48:19 +0000, Simon Riggs wrote:
> Generational memory allocator
> 
> Add new style of memory allocator, known as Generational
> appropriate for use in cases where memory is allocated
> and then freed in roughly oldest first order (FIFO).
> 
> Use new allocator for logical decoding’s reorderbuffer
> to significantly reduce memory usage and improve performance.

Looks like it's not quite valgrind clean:
https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=skink&dt=2017-11-22%2022%3A30%3A01

Greetings,

Andres Freund