Re: MultiXact\SLRU buffers configuration

From: Daniel Gustafsson <daniel(at)yesql(dot)se>
To: Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>
Cc: x4mmm(at)yandex-team(dot)ru, pgsql-hackers(at)postgresql(dot)org
Subject: Re: MultiXact\SLRU buffers configuration
Date: 2020-07-02 12:02:45
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> On 15 May 2020, at 02:03, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com> wrote:

> Generally in such cases, condition variables would work. In the
> attached PoC, the reader side gets no penalty in the "likely" code
> path. The writer side always calls ConditionVariableBroadcast but the
> waiter list is empty in almost all cases. But I couldn't cause the
> situation where the sleep 1000u is reached.

The submitted patch no longer applies, can you please submit an updated
version? I'm marking the patch Waiting on Author in the meantime.

cheers ./daniel

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