Postgres FM

A weekly podcast about all things PostgreSQL — by @michristofides and @samokhvalov. Also at

[Postgres FM @PostgresFM]

New episode: "autovacuum"

Nik and Michael discuss autovacuum, including what it does, and the basics of why and how to tune it.

🎧 https://t.co/6qqZbCkZzS

📺 https://t.co/fsJbHfXjol

[Postgres FM @PostgresFM]

New episode: "pg_flight_recorder"

Nik and Michael are joined by David Ventimiglia to discuss pg_flight_recorder, a new tool he created for monitoring a Postgres database from within.

🎧 https://t.co/bVZCQnaIHx

📺 https://t.co/bZYjYladRw

[Postgres FM @PostgresFM]

New episode: "PgQue"

Nik and Michael discuss Nik's new project PgQue, a descendent of Skype's PgQ, for running queue-like workloads in Postgres.

🎧 https://t.co/mT6M00PNHJ

📺 https://t.co/flYAKnqMcF

[Postgres FM @PostgresFM]

New episode: "pg_wait_tracer"

Nik and Michael are joined by Dmitry Fomin to discuss his new tool pg_wait_tracer, as well as changes to core that would allow wait event tracing with lower overhead (and on managed services).

🎧 https://t.co/oEgydSWt1X

📺 https://t.co/hN7nd5zIjh

[Postgres FM @PostgresFM]

New episode: "Schema design checklist"

Nik and Michael discuss a list of things to check when designing new schema in Postgres.

🎧 https://t.co/PxKtoUDRbN

📺 https://t.co/Zl5596TzAv

[Postgres FM @PostgresFM]

New episode: "What's missing in Postgres?"

Nik and Michael are joined by Bruce Momjian to discuss his new talk.

🎧 https://t.co/7UHJvqChJ1

📺 https://t.co/OzVm5Aatw8

[Postgres FM @PostgresFM]

New episode: "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.

🎧 https://t.co/knAwhJutyi

📺 https://t.co/PcwUryJsTa

[Postgres FM @PostgresFM]

New episode: "PostGIS"

@samokhvalov and @michristofides are joined by @reginaobe and @pwramsey to discuss @PostGIS

🎧 https://t.co/XqcDKMOdFE

📺 https://t.co/5sUw7di3KE

[Postgres FM @PostgresFM]

New episode: "Plan flips"

Nik and Michael discuss query plan flips in Postgres — what they are, some causes, mitigations, longer term solutions, and the recent outage at Clerk.

🎧 https://t.co/u69Zk9BaYQ

📺 https://t.co/jrtK4fg1lR

[Postgres FM @PostgresFM]

New episode: "pg_ash"

Nik and Michael discuss pg_ash — a new tool (not extension!) from Nik that samples and stores wait events from pg_stat_activity.

🎧 https://t.co/H2CE1H0J3v

📺 https://t.co/UECK5rHp77

[Postgres FM @PostgresFM]

New episode: "Comments and metadata"

Nik and Michael discuss query level comments, object level comments, and another way of adding object level metadata.

🎧 https://t.co/Sgr5r40EJv

📺 https://t.co/8g5FHymbt5

[Postgres FM @PostgresFM]

New episode: "PgDog update"

@samokhvalov and @michristofides are joined by Lev Kokotov for an update on all things PgDog.

🎧 https://t.co/vfEstIK9m9

📺 https://t.co/M2meDSg9JQ

[Postgres FM @PostgresFM]

New episode: "RegreSQL"

Nik and Michael are joined by Radim Marek from boringSQL to talk about RegreSQL, a regression testing tool for SQL queries (forked and improved).

🎧 https://t.co/OgD1xSfNqL

📺 https://t.co/Iio4VoRFK2

[Postgres FM @PostgresFM]

New episode: "Postgres year in review 2025"

Nik and Michael discuss the events and trends they thought were most important in the Postgres ecosystem in 2025.

🎧 https://t.co/mxUXoZgyQs

📺 https://t.co/VLormJqDjc

[Postgres FM @PostgresFM]

New episode: "Archiving"

Nik and Michael discuss a listener question about archiving a database.

🎧 https://t.co/akLzNO5HAI

📺 https://t.co/ZmgyUv2unP

[Postgres FM @PostgresFM]

New episode: "max_connections vs migrations"

Nik and Michael discuss max_connections, especially in the context of increasing it to solve problems like migrations intermittently failing(!)

🎧 https://t.co/3sN6YY1b9J

📺 https://t.co/8LOhzd7YyO

[Postgres FM @PostgresFM]

New episode: "What's new in EXPLAIN"

Nik and Michael discuss the various changes to EXPLAIN that arrived in Postgres 18.

🎧 https://t.co/bNpmOUChDZ

📷 https://t.co/QT1I1YW2Zd

[Postgres FM @PostgresFM]

New episode: "Tens of TB per hour"

Nik talks Michael through a recent benchmark he worked with Maxim Boguk on, to see how quickly they could provision a replica.

🎧 https://t.co/NTbL4wMCJn

📺 https://t.co/nMIOwkcUDL

[Postgres FM @PostgresFM]

New episode: "Gapless sequences"

Nik and Michael discuss the concept of gapless sequences — when you might want one, why sequences in Postgres can have gaps, and an idea or two if you do want them.

🎧 https://t.co/a3vxL6YWNU

📺 https://t.co/XVGyrnjQTI

[Postgres FM @PostgresFM]

New episode: "LWLocks"

Nik and Michael discuss lightweight locks in Postgres — how they differ to (heavier) locks, some occasions they can be troublesome, and some resources for working out what to do if you hit issues.

🎧 https://t.co/AqEXZWKyER

📺 https://t.co/hverE778te