Re: Map WAL segment files on PMEM as WAL buffers

From: Takashi Menjo <takashi(dot)menjo(at)gmail(dot)com>
To: Justin Pryzby <pryzby(at)telsasoft(dot)com>
Cc: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, "Tsunakawa, Takayuki" <tsunakawa(dot)takay(at)fujitsu(dot)com>, "Deng, Gang" <gang(dot)deng(at)intel(dot)com>, Takashi Menjo <takashi(dot)menjou(dot)vg(at)hco(dot)ntt(dot)co(dot)jp>, Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, Daniel Gustafsson <daniel(at)yesql(dot)se>
Subject: Re: Map WAL segment files on PMEM as WAL buffers
Date: 2022-01-19 04:41:11
Message-ID: CAOwnP3PvE1VtwuezUoLtnKMnL=zJWutybFdtSHCgVbD7hhrhAg@mail.gmail.com
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Hi Justin,

I can reproduce the error you reported, with PMEM_IS_PMEM_FORCE=1.

Moreover, I can reproduce it **on a real PMem device**. So the causes
are in my patchset, not in PMem environment.

I'll fix it in the next patchset version.

Regards,
Takashi

--
Takashi Menjo <takashi(dot)menjo(at)gmail(dot)com>

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