Re: prevent immature WAL streaming

From: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
To: Amul Sul <sulamul(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)anarazel(dot)de>, Andrew Dunstan <andrew(at)dunslane(dot)net>, "Bossart, Nathan" <bossartn(at)amazon(dot)com>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, "masao(dot)fujii(at)oss(dot)nttdata(dot)com" <masao(dot)fujii(at)oss(dot)nttdata(dot)com>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>, "mengjuan(dot)cmj(at)alibaba-inc(dot)com" <mengjuan(dot)cmj(at)alibaba-inc(dot)com>, "Jakub(dot)Wartak(at)tomtom(dot)com" <Jakub(dot)Wartak(at)tomtom(dot)com>, Ryo Matsumura <matsumura(dot)ryo(at)fujitsu(dot)com>
Subject: Re: prevent immature WAL streaming
Date: 2021-11-25 18:32:31
Message-ID: 202111251832.22chedo6btui@alvherre.pgsql
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Oh, but also I think I should push a mitigation in case a production
system hits this problem: maybe reduce the message from FATAL to WARNING
if the registered LSN is at a page boundary.

--
Álvaro Herrera Valdivia, Chile — https://www.EnterpriseDB.com/
"Entristecido, Wutra (canción de Las Barreras)
echa a Freyr a rodar
y a nosotros al mar"

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