From: Tom Lane <tgl@sss.pgh.pa.us>
To: Alvaro Herrera <alvherre@alvh.no-ip.org>
Cc: Amul Sul <sulamul@gmail.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: Andrew Dunstan <andrew@dunslane.net>
Cc: Bossart, Nathan <bossartn@amazon.com>
Cc: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Cc: masao.fujii@oss.nttdata.com <masao.fujii@oss.nttdata.com>
Cc: pgsql-hackers@lists.postgresql.org <pgsql-hackers@lists.postgresql.org>
Cc: mengjuan.cmj@alibaba-inc.com <mengjuan.cmj@alibaba-inc.com>
Cc: Jakub.Wartak@tomtom.com <Jakub.Wartak@tomtom.com>
Cc: Ryo Matsumura <matsumura.ryo@fujitsu.com>
Subject: Re: prevent immature WAL streaming
Date: Thu, 25 Nov 2021 13:52:10 -0500
Message-ID: <311159.1637866330@sss.pgh.pa.us> (raw)
In-Reply-To: <202111251832.22chedo6btui@alvherre.pgsql>
References: <202111251832.22chedo6btui@alvherre.pgsql>
Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> 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.
Uh, why? The fix should remove the problem, and if it doesn't, we're
still looking at inconsistent WAL aren't we?
regards, tom lane
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To: pgsql-hackers@postgresql.org
Cc: tgl@sss.pgh.pa.us, alvherre@alvh.no-ip.org, sulamul@gmail.com, andres@anarazel.de, andrew@dunslane.net, bossartn@amazon.com, horikyota.ntt@gmail.com, masao.fujii@oss.nttdata.com, pgsql-hackers@lists.postgresql.org, mengjuan.cmj@alibaba-inc.com, Jakub.Wartak@tomtom.com, matsumura.ryo@fujitsu.com
Subject: Re: prevent immature WAL streaming
In-Reply-To: <311159.1637866330@sss.pgh.pa.us>
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