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help / color / mirror / Atom feedFrom: Greg Sabino Mullane <[email protected]>
To: Dimitrios Apostolou <[email protected]>
Cc: [email protected]
Subject: Re: In-order pg_dump (or in-order COPY TO)
Date: Wed, 27 Aug 2025 10:06:40 -0400
Message-ID: <CAKAnmmLY1EVyV-V0Rmb98F63TDHbx4LQFJ5Jv7qK8ourbCoEKQ@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:
> 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.
>
I suggest looking into pgBackRest, and it's block incremental feature,
which sounds similar to what you are doing. But it also does it with
parallel processes, and can do things like grab backup files from your
replicas, plus a lot of other features.
Cheers,
Greg
--
Crunchy Data - https://www.crunchydata.com
Enterprise Postgres Software Products & Tech Support
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Subject: Re: In-order pg_dump (or in-order COPY TO)
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