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help / color / mirror / Atom feedFrom: Ron Johnson <[email protected]>
To: pgsql-general <[email protected]>
Subject: Re: wal segment size
Date: Wed, 17 Dec 2025 10:28:00 -0500
Message-ID: <CANzqJaDiBmsLZSvr4hHFOEFKrN_J8jCLx4At9TUz64SzZ5K0DA@mail.gmail.com> (raw)
In-Reply-To: <CAMon-aQ8X7H7jCC6ggKm9Uzcu3KfGVC34RRqKt8BCfpDn2tq9A@mail.gmail.com>
References: <CAMon-aQ8X7H7jCC6ggKm9Uzcu3KfGVC34RRqKt8BCfpDn2tq9A@mail.gmail.com>
On Wed, Dec 17, 2025 at 10:13 AM Colin 't Hart <[email protected]> wrote:
> Hi,
>
> I see very little advice on tuning WAL segment size.
>
> One of my clients has a few datawarehouses at around 8 - 16 TB
>
> On one of the nodes there are approx 15000 WAL segments of 16MB each,
> totalling approx 230GB. The archiver is archiving approx one per second, so
> approx 4 hours to clear.
>
One second to archive 16 measly MB seems really darned slow. Another vote
to *that* problem.
--
Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
<Redacted> lobster!
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Subject: Re: wal segment size
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