pgBackRest

Nik and Michael are joined by David Steele to talk all things pgBackRest.

Here are some links to things they mentioned:

David Steele https://postgres.fm/people/david-steele
pgBackRest https://pgbackrest.org
pg_basebackup https://www.postgresql.org/docs/current/app-pgbasebackup.html
Barman https://pgbarman.org
pgmoneta https://github.com/pgmoneta/pgmoneta
WAL-G https://github.com/wal-g/wal-g
Return pg_control from pg_backup_stop (patch proposal) https://www.postgresql.org/message-id/flat/86436ff9-eb98-4c8a-825e-3bcae022107b%40pgbackrest.org#e36e2ad2f410d1a9a1152e36aa66bb48
Add StorageReadMulti for prefetched multi-file/range reads from object stores (pgBackRest change that needs review) https://github.com/pgbackrest/pgbackrest/pull/2783
pg_hardstorage https://github.com/cybertec-postgresql/pg_hardstorage
Why the cycle of open-source sustainability needs to be virtuous (blog post by Gabriele Bartolini) https://www.gabrielebartolini.it/articles/2026/04/why-the-cycle-of-open-source-sustainability-needs-to-be-virtuous
ARIN https://www.arin.net
Stefan Fercot https://pgstef.github.io/about
pgBackRest sponsors at the time of recording: AWS, Supabase, pgEdge, Tiger Data, Percona, Eon, Xata, Dalibo, Data Egret

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00:00 – Intro & pgBackRest origin story
03:07 – Could pgBackRest live in Postgres core? Why it hasn't happened
11:37 – Primary vs. standby backups & corruption safety
20:36 – Measuring RPO & RTO in practice
26:20 – Checksum performance & S3 storage class tips
30:02 – Standby replay bottleneck
35:12 – Log shipping, streaming replication, and sharding
44:56 – Maintenance reality & the sponsorship crisis
47:41 – What's next: repo-to-repo backup & RPO-zero streaming
56:00 – Incremental backup
1:05:01 – Reliability philosophy
1:10:05 – Second maintainer, community growth & wrap-up

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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

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Episoder(182)

autovacuum

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29 Mai 46min

pg_flight_recorder

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15 Mai 43min

PgQue

Nik and Michael discuss Nik's new project PgQue, a descendent of Skype's PgQ, for running queue-like workloads in Postgres. Here are some links to things they mentioned: Our first episode on Queues in...

8 Mai 47min

pg_wait_tracer

Nik and Michael are joined by Dmitry Fomin to discuss his new tool pg_wait_tracer, as well as changes that could be made to core to allow wait event tracing with lower overhead, and on managed service...

24 Apr 44min

Schema design checklist

Nik and Michael discuss a list of things to check when designing new schema in Postgres. Here are some links to things they mentioned:Use BIGINT in Postgres (blog post by Ryan Lambert) https://blog.ru...

17 Apr 45min

What’s Missing in Postgres?

Nik and Michael are joined by Bruce Momjian to discuss his new talk "What’s Missing in Postgres?" Here are some links to things they mentioned: Bruce Momjian https://postgres.fm/people/bruce-momjianED...

3 Apr 43min

Long-running transactions

Nik and Michael discuss long-running transactions, including when they're harmless, when they cause issues, and how to mitigate those issues. Here are some links to things they mentioned: transaction_...

27 Mar 48min