From: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
To: Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>
To: Jim.Nasby@BlueTreble.com
Cc: tgl@sss.pgh.pa.us
Cc: robertmhaas@gmail.com
Cc: craig@2ndquadrant.com
Cc: pgsql-hackers@postgresql.org
Subject: Re: Protect syscache from bloating with negative cache entries
Date: Mon, 14 Aug 2017 17:33:48 -0400
Message-ID: <09fa011f-4536-b05d-0625-11f3625d8332@2ndquadrant.com> (raw)
In-Reply-To: <20170124.165852.78455792.horiguchi.kyotaro@lab.ntt.co.jp>
References: <20161226.173147.73783918.horiguchi.kyotaro@lab.ntt.co.jp>
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<21803f50-a823-c444-ee2b-9a153114f454@BlueTreble.com>
<20170124.165852.78455792.horiguchi.kyotaro@lab.ntt.co.jp>
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On 1/24/17 02:58, Kyotaro HORIGUCHI wrote:
>> BTW, if you set a slightly larger
>> context size on the patch you might be able to avoid rebases; right
>> now the patch doesn't include enough context to uniquely identify the
>> chunks against cacheinfo[].
> git format-patch -U5 fuses all hunks on cacheinfo[] together. I'm
> not sure that such a hunk can avoid rebases. Is this what you
> suggested? -U4 added an identifiable forward context line for
> some elements so the attached patch is made with four context
> lines.
This patch needs another rebase for the upcoming commit fest.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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Cc: peter.eisentraut@2ndquadrant.com, horiguchi.kyotaro@lab.ntt.co.jp, Jim.Nasby@BlueTreble.com, tgl@sss.pgh.pa.us, robertmhaas@gmail.com, craig@2ndquadrant.com
Subject: Re: Protect syscache from bloating with negative cache entries
In-Reply-To: <09fa011f-4536-b05d-0625-11f3625d8332@2ndquadrant.com>
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