Tens of TB per hour

Postgres FM

Nik talks Michael through a recent benchmark he worked with Maxim Boguk on, to see how quickly they could provision a replica.
Here are some links to things they mentioned:

• Ultra-fast replica creation with pgBackRest (blog post by Maxim Boguk and Nik) https://postgres.ai/blog/20251105-postgres-marathon-2-012-ultra-fast-replica-creation-pgbackrest
• Copying a database episode https://postgres.fm/episodes/copying-a-database
• Add snapshot backup support for PostgreSQL in wal-g (draft PR by Andrey Borodin) https://github.com/wal-g/wal-g/pull/2101
• Multi-threaded pg_basebackup discussion 1: https://www.postgresql.org/message-id/flat/CAEHH7R4%3D_GN%2BLSsj0YZOXZ13yc%3DGk9umJOLNopjS%3DimK0c1mWA%40mail.gmail.com
• Multi-threaded pg_basebackup discussion 2: https://www.postgresql.org/message-id/flat/
• io_method https://www.postgresql.org/docs/current/runtime-config-resource.html#GUC-IO-METHOD
• pgBackRest https://github.com/pgbackrest/pgbackrest
• Add sequence synchronization for logical replication (commit) https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=5509055d6956745532e65ab218e15b99d87d66ce
• Allow process priority to be set (pgBackRest feature added by David Steele) https://github.com/pgbackrest/pgbackrest/pull/2693
• Hard limit on process-max (pgBackRest issue from 2019) https://github.com/pgbackrest/pgbackrest/issues/696

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What did you like or not like? What should we discuss next time? Let us know via a YouTube comment, on social media, or by commenting on our Google doc!

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Postgres FM is produced by:

• Michael Christofides, founder of pgMustard
• Nikolay Samokhvalov, founder of Postgres.ai

With credit to:

• Jessie Draws for the elephant artwork