Re: pgsql: Generational memory allocator

From: Andres Freund <andres(at)anarazel(dot)de>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>, Tomas Vondra <tv(at)fuzzy(dot)cz>
Cc: pgsql-committers(at)postgresql(dot)org
Subject: Re: pgsql: Generational memory allocator
Date: 2017-11-23 00:16:49
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

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