Re: pgsql: Change wal_compression=on to the first of zstd, lz4, pglz

From: Tomas Vondra <tomas(at)vondra(dot)me>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: Re: pgsql: Change wal_compression=on to the first of zstd, lz4, pglz
Date: 2026-08-12 18:28:50
Message-ID: 2d87748e-80dd-4092-be64-cd1c643f3eb9@vondra.me
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On 8/12/26 17:55, Tom Lane wrote:
> Tomas Vondra <tomas(at)vondra(dot)me> writes:
>> On 8/12/26 01:52, Tom Lane wrote:
>>> [ raised eyebrow... ] I don't object to this change in master,
>>> but it seems pretty out of scope for v19 at this point.
>
>> Yeah. The consensus in the discussion thread was it'd be good to do this
>> in 19, together with the TOAST compression default. I wasn't sure about
>> that, so I consulted with the RMT and the response was it's OK.
>
> Ah. The point about changing this along with the TOAST compression
> default does make sense. Objection withdrawn ... but this needs
> to get into the v19 release notes beside the other change.
>

Right. Naive question - what's the proper process to make that happen
for changes like this? Ping someone / RMT?

regards

--
Tomas Vondra

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