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help / color / mirror / Atom feedFrom: Ron Johnson <[email protected]>
To: pgsql-general <[email protected]>
Subject: Re: In-order pg_dump (or in-order COPY TO)
Date: Tue, 26 Aug 2025 18:00:09 -0400
Message-ID: <CANzqJaDGUPKM2h74wFb2DOgbKPnAe+c352eMTvehQ8D+vfxidA@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
On Tue, Aug 26, 2025 at 3:44 PM Dimitrios Apostolou <[email protected]> wrote:
> Hello list,
>
> I am storing dumps of a database (pg_dump custom format) in a
> de-duplicating backup server. Each dump is many terabytes in size, so
> deduplication is very important. And de-duplication itself is based on
> rolling checksums which is pretty flexible, it can compensate for blocks
> moving by some offset.
>
This might be a silly question, but why are you using -Fc to
create multi-TB dumps instead of -Fd? If nothing else, the parallelization
granted by -Fd will greatly speed up the dumps.
--
Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
<Redacted> lobster!
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Subject: Re: In-order pg_dump (or in-order COPY TO)
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