Re: Protect syscache from bloating with negative cache entries

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>
Cc: tomas(dot)vondra(at)2ndquadrant(dot)com, robertmhaas(at)gmail(dot)com, ideriha(dot)takeshi(at)jp(dot)fujitsu(dot)com, tgl(at)sss(dot)pgh(dot)pa(dot)us, andres(at)anarazel(dot)de, tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com, alvherre(at)2ndquadrant(dot)com, bruce(at)momjian(dot)us, pgsql-hackers(at)lists(dot)postgresql(dot)org, michael(dot)paquier(at)gmail(dot)com, david(at)pgmasters(dot)net, craig(at)2ndquadrant(dot)com
Subject: Re: Protect syscache from bloating with negative cache entries
Date: 2020-10-01 04:37:29
Message-ID: 20201001043729.GI8130@paquier.xyz
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On Wed, Jan 22, 2020 at 02:38:19PM +0900, Kyotaro Horiguchi wrote:
> I changed my mind to attach the benchmark patch as .txt file,
> expecting the checkers not picking up it as a part of the patchset.
>
> I have in the precise performance measurement mode for a long time,
> but I think it's settled. I'd like to return to normal mode and
> explain this patch.

Looking at the CF bot, this patch set does not compile properly.
Could you look at that?
--
Michael

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