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>, Tomas Vondra <tomas(dot)vondra(at)postgresql(dot)org>
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 15:46:49
Message-ID: d63bddd7-0fd2-4ceb-aba1-d7873d2abd06@vondra.me
Views: Whole Thread | Raw Message | Download mbox | Resend email
Thread:
Lists: pgsql-committers

On 8/12/26 01:52, Tom Lane wrote:
> Tomas Vondra <tomas(dot)vondra(at)postgresql(dot)org> writes:
>> Initial proposal and patch by wenhui qiu, reviews and patch adjustments
>> by Christoph Berg. A number of other people participated in the
>> discussion. Benchmarks by me.
>
>> Backpatch to 19.
>
> [ 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.

If that's not sufficient, and it's too late for 19, we can revert it.

regards

--
Tomas Vondra

In response to

Responses

Browse pgsql-committers by date

  From Date Subject
Next Message Tom Lane 2026-08-12 15:55:59 Re: pgsql: Change wal_compression=on to the first of zstd, lz4, pglz
Previous Message Álvaro Herrera 2026-08-12 14:53:39 pgsql: Avoid recalculating pgprocno in ProcArrayAdd()