Re: Can we change pg_rewind used without wal_log_hints and data_checksums

From: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
To: Movead <lchch1990(at)sina(dot)cn>, pgsql-hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Can we change pg_rewind used without wal_log_hints and data_checksums
Date: 2026-01-16 06:47:11
Message-ID: bc933cac1e6209b2b3c10498202e7c0031aad4e9.camel@cybertec.at
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On Fri, 2026-01-16 at 08:04 +0800, Movead wrote:
> > How can you identify when a transaction started?
>
> We find it by XLOG_RUNNING_XACTS wal record, this wal record  have a *nextXid*
> which mean a unassigned transaction id when produce the wal record.

I see; thanks for the explanation.

Yours,
Laurenz Albe

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