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Talking Postgres is a podcast for developers who love Postgres. Formerly called Path To Citus Con, guests join Claire Giordano each month to discuss the human side of PostgreSQL, databases, and open source. With amazing guests such as Boriss Mejías, Melanie Plageman, Simon Willison, Floor Drees, and Andres Freund, Talking Postgres is guaranteed to get you thinking. Recorded live on Discord by the Postgres team at Microsoft, you can subscribe to our calendar to join us live on the parallel te ...
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Learn how to get the best performance and scale your PostgreSQL database with our weekly shows. Receive the best content curated from around the web. We have a special focus on content for developers since your architecture and usage is the key to getting the most performance out of PostgreSQL.
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Michael and Nikolay are joined by Joe Sciarrino and Jelte Fennema-Nio to discuss pg_duckdb — what it is, how it started, what early users are using it for, and what they're working on next. Here are some links to things they mentioned: Joe Sciarrino https://postgres.fm/people/joe-sciarrino Jelte Fennema-Nio https://postgres.fm/people/jelte-fennema-…
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In this episode of Scaling Postgres, we discuss the new pg_incremental extension for processing data pipelines, a set of Postgres monitoring queries, handling alter table retries and large object dump performance. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/347-easy-incremental-data…
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Nikolay and Michael discuss Row Level Security in Postgres, focussing on the performance side effects and some tips to avoid (or minimize) them. Here are some links to things they mentioned: Row Security Policies (docs) https://www.postgresql.org/docs/current/ddl-rowsecurity.html 7+ million Postgres tables (recent talk by Kailash Nadh) https://www.…
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In this episode of Scaling Postgres, we discuss things I do not do such as use default partitions, play column Tetris, ELT using special data types or create 7+ millions tables in a database. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/346-things-i-do-not-do-in-postgres/ Want to lea…
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Michael and Nikolay are joined by Lukas Eder, the creator of jOOQ, to discuss what it is, some nice developer experience features it has, and some fun things he's come across from a Postgres perspective. Here are some links to things they mentioned: Lukas Eder https://postgres.fm/people/lukas-eder jOOQ https://www.jooq.org/ DSL https://en.wikipedia…
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In this episode of Scaling Postgres, we discuss OrioleDB getting Postgres over 5 times faster, historical OLAP performance, efficient queries and whether you should us track_planning. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/345-over-5x-faster-postgres/ Want to learn more about P…
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What’s it like to lead Postgres engineering at a cloud giant like Microsoft Azure? In this episode of Talking Postgres, host Claire Giordano chats with Affan Dar, VP of Engineering for Postgres at Microsoft. Affan’s team is behind the Azure Database for PostgreSQL managed service and also contributes extensively to the upstream Postgres open-source…
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Nikolay and Michael discuss "Column Tetris" — what it is, why it matters, how to order columns for new tables, and how to re-organise existing ones. Here are some links to things they mentioned: “Column Tetris” by Erwin Brandstetter on Stack Overflow https://stackoverflow.com/questions/2966524/calculating-and-saving-space-in-postgresql/7431468#7431…
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In this episode of Scaling Postgres, we discuss new releases, collation speed, ZFS performance, insert benchmarking and pglz vs. lz4 performance. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/344-performance-hard-things/ Want to learn more about Postgres performance? Join my FREE trai…
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Nikolay and Michael discuss the track_planning parameter of pg_stat_statements — what it is, how it affects performance, and when or whether you should switch it on. Here are some links to things they mentioned: pg_stat_statements.track_planning https://www.postgresql.org/docs/current/pgstatstatements.html#id-1.11.7.40.9.2.4.1.3 Our episode about p…
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In this episode of Scaling Postgres, we discuss new Postgres releases and an out-of-band release to address issues, increasing insert performance by 2X, pg_search benchmarks and fast OpenStreetMap loading. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/343-postgres-release-warning/ Wan…
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Michael and Nikolay are joined by Gülçin Yıldırım Jelínek and Robert Haas to discuss both the technical question of whether or not pg_dump is a backup tool, as well as the tone and intent behind the statement "pg_dump is not a backup tool". Here are some links to things they mentioned: Gülçin Yıldırım Jelínek https://postgres.fm/people/gulcin-yildi…
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In this episode of Scaling Postgres, we discuss the read and write performance of Postgres on ZFS, handling URL text identifiers in the database, denormalization and a new pgvector release. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/342-faster-writes-with-zfs/ Want to learn more ab…
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Have you ever achieved something remarkable because someone planted an idea in your mind? In this episode of Talking Postgres, host Claire Giordano talks with Andrew Atkinson—a Rails developer and Postgres user whose journey to becoming a published author began with a simple seed of inspiration. Andrew’s story started with an internal presentation …
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Nikolay and Michael discuss append-only tables in Postgres — what they are, some unique challenges they bring, and some options for compressing / removing / offloading the data eventually. Here are some links to things they mentioned: Append-only https://en.wikipedia.org/wiki/Append-only Our episode on BRIN indexes https://postgres.fm/episodes/brin…
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Today we take a deep dive into the world of PostgreSQL extensions, featuring our conversation with Heikki Linnakangas, co-founder of Neon, an expert Postgres hacker, and contributor to pgvector. Heikki shares the fascinating story of how Neon was born in 2021, driven by the vision of creating an open-source platform akin to Aurora Serverless. He de…
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In this episode of Scaling Postgres, we discuss the future of Postgres upgrades, the usefulness of pg_dump, partitioning with minimal downtime and limitless Aurora. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/341-the-future-of-postgres-upgrades/ Want to learn more about Postgres per…
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Nikolay and Michael discuss denormalization in Postgres — when and why to denormalize things, and a couple of specific cases Nikolay came across recently. Here are some links to things they mentioned: Denormalization https://en.wikipedia.org/wiki/Denormalization Our episode on materialized views https://postgres.fm/episodes/materialized-views Our e…
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In this episode of Scaling Postgres, we discuss whether you need a vectorizer, different ways to bin or bucket timestamps, addressing a bad plan and advanced psql. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/340-do-you-need-a-vectorizer/ Want to learn more about Postgres performance…
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Nikolay and Michael discuss online Postgres communities — the ones they prefer, the types of conversations in each, and some other places to ask questions or follow news. Here are some links to things they mentioned: https://www.postgresql.org/community Mailing lists https://www.postgresql.org/list IRC https://www.postgresql.org/community/irc Slack…
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In this episode of Scaling Postgres, we discuss pg_parquet allowing Postgres to read and write parquet files, other useful extensions, open source bounties, and Postgres gotchas. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/339-postgres-goes-parquet/ Want to learn more about Postgres…
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Nikolay and Michael discuss some cool things you can do with psql, the official CLI that ships with Postgres. Here are some links to things they mentioned: psql docs https://www.postgresql.org/docs/current/app-psql.html Our episode on psql vs GUIs https://postgres.fm/episodes/psql-vs-guis postgres_dba https://github.com/NikolayS/postgres_dba Our ep…
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Joining Aiven in 2021, Francesco Tisiot works as a Field CTO and AI Lead. He serves as a technical advisor to clients and prospects, helping to meet their needs without the focus on sales, acting as a 'rented' CTO to provide expert guidance. Join us as we dive into Francesco's insightful perspectives on the Postgres community, where he challenges t…
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In this episode of Scaling Postgres, we discuss the JSON goodies in Postgres 17, trigger recursion, pg_dump as backup and pg_timeseries columnar performance. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/338-json-goodies-in-postgres-17/ Want to learn more about Postgres performance? J…
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Nikolay and Michael discuss some Postgres Gotchas, things you might expect to work one way in fact working another way. Here are some links to things they mentioned: Our episode on NULLs https://postgres.fm/episodes/nulls-the-good-the-bad-the-ugly-and-the-unknown Postgres Gotchas (list by Ian Barwick) https://sql-info.de/postgresql/postgres-gotchas…
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In this episode of Scaling Postgres, we discuss how one query runs 77 times faster in Postgres 17, a detailed Postgres 17 performance webinar, using logical replication fail over slots and a discussion on Patroni. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/337-77-times-faster-in-po…
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It was not Tom Lane’s plan to become a computer person. Tom’s plan was to be a pinball machine designer. And yet for the last 26 years Tom has been one of the most prolific engineering contributors to Postgres. In this episode of Talking Postgres with Claire Giordano, PostgreSQL luminary Tom Lane walks us through how he got his start as a developer…
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Nikolay and Michael discuss some more advanced topics around EXPLAIN, including some tips for complex query plans, some recent improvements, and an idea or two that might make it even better. Here are some links to things they mentioned: Michael’s solo episode on EXPLAIN basics https://postgres.fm/episodes/explain Our episode on auto_explain https:…
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In this episode of Scaling Postgres, we discuss more about the features released with Postgres 17, an example of performance improvements, things to watch out for, and the start of Postgres 18. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/336-more-postgres-17-highlights/ Want to lear…
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Michael and Nikolay are joined by Alexander Kukushkin, PostgreSQL contributor and maintainer of Patroni, to discuss all things Patroni — what it is, how it works, recent improvements, and more. Here are some links to things they mentioned: Alexander Kukushkin https://postgres.fm/people/alexander-kukushkin Patroni https://github.com/patroni/patroni …
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In this episode of Scaling Postgres, we discuss the release of Postgres 17, b-tree performance gains, logical replication enhancements and different levels of performance tuning. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/335-postgres-17-released/ Want to learn more about Postgres …
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Nikolay and Michael discuss the fresh new Postgres 17 release! They cover several performance improvements, favourite new features, and some considerations for upgrading. Here are some links to things they mentioned: Postgres 17 release notes https://www.postgresql.org/docs/17/release-17.html transaction_timeout episode https://postgres.fm/episodes…
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In this episode of Scaling Postgres, we discuss how to optimize your database for analytics, how to speed up counts, improvements to TimescaleDB and why you should stop using serial. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/334-optimizing-for-analytics/ Want to learn more about P…
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Nikolay and Michael discuss planning time in Postgres — what it is, how to spot issues, its relationship to things like partitioning, and some tips for avoiding issues. Here are some links to things they mentioned: Query Planning (docs) https://www.postgresql.org/docs/current/runtime-config-query.html Are there limits to partition counts? (Blog pos…
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If you could work on anything, would you quit your job to pursue it? Postgres committer and major contributor Melanie Plageman joined Claire Giordano on this episode of the Talking Postgres podcast (formerly Path To Citus Con) to share her story about becoming a Postgres committer. Melanie pivoted from IT consulting to open-source development, driv…
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In this episode of Scaling Postgres, we discuss when select can write, Postgres RC1 is released, Tetris in SQL and copy, swap, drop. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/333-when-select-writes/ Want to learn more about Postgres performance? Join my FREE training called Postgr…
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Nikolay and Michael discuss why counting can be slow in Postgres, and what the options are for counting things quickly at scale. Here are some links to things they mentioned: Aggregate functions (docs) https://www.postgresql.org/docs/current/functions-aggregate.html PostgREST https://github.com/PostgREST/postgrest Get rid of count by default in Pos…
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In this episode of Scaling Postgres, we discuss what can happen when queries get slow, backup best practices, Postgres emergencies and the state of Postgres survey. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/332-sometimes-it-is-slow/ Want to learn more about Postgres performance? J…
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Michael and Nikolay are joined by Peter Geoghegan, major contributor and committer to Postgres, to discuss adding skip scan support to PostgreSQL over versions 17 and 18. Here are some links to things they mentioned: Peter Geoghegan https://postgres.fm/people/peter-geoghegan Peter’s previous (excellent) interview on Postgres TV https://www.youtube.…
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In this episode of Scaling Postgres, we discuss whether pg_dump is a backup tool, the pgMonitor extension, Postgres malware, and application uses for the merge command. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/331-is-pg_dump-a-backup-tool/ Want to learn more about Postgres perfor…
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Nikolay and Michael discuss PostgreSQL emergencies — both the psychological side of incident management, and some technical aspects too. Here are some links to things they mentioned: Site Reliability Engineering resources from Google https://sre.google GitLab Handbook SRE https://handbook.gitlab.com/job-families/engineering/infrastructure/site-reli…
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In this episode of Scaling Postgres, we discuss the merging of Postgres and DuckDB via the pg_duckdb extension, how this can help the analytics story for Postgres, some ways to improve PG analytics and building a search engine. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/330-splicin…
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Michael and Nikolay are joined by Haki Benita, a technical lead and database enthusiast who writes an excellent blog and gives popular talks and training sessions too, to discuss the surprisingly complex topic of trying to implement “get or create” in PostgreSQL — handling issues around idempotency, concurrency, and bloat. Here are some links to th…
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In this episode of Scaling Postgres, we discuss PGlite, an embeddable Postgres, postgres.new which adds AI features, new Postgres releases and the performance of synchronous replication. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/329-pglite-embeddable-postgres/ Want to learn more a…
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Michael and Nikolay are joined by Melanie Plageman, database internals engineer at Microsoft and major contributor and committer to PostgreSQL, to discuss getting started with benchmarking — how it differs for users and developers of Postgres, how and when it comes up during development, some tools and lessons, as well as what she's working on at t…
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In this episode of Scaling Postgres, we discuss different get or create implementations, a new pgBouncer version, alter default privileges, and six degrees of separation with Postgres. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/328-implement-get-or-create/ Want to learn more about …
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Ever wonder how driving a forklift at a cheese factory could lead to a career in databases? Postgres committer David Rowley joined Claire Giordano on this episode of the Talking Postgres podcast (formerly Path To Citus Con) to share his story about how he got started as a developer and in Postgres. Could an unexpected job lead to your dream career?…
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Nikolay and Michael discuss Index-Only Scans in Postgres — what they are, how they help, some things to look out for, and some advice. Here are some links to things they mentioned: Index-Only Scans and Covering Indexes (docs) https://www.postgresql.org/docs/current/indexes-index-only-scans.html Discussion on Twitter about JIT and Parallel Query def…
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In this episode of Scaling Postgres, we discuss using Postgres for graph queries, the fastest way to copy data from one table to another, dealing with linux memory overcommit and compression. To get the show notes as well as get notified of new episodes, visit: https://www.scalingpostgres.com/episodes/327-postgres-graph-queries/ Want to learn more …
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Nikolay and Michael discuss why they chose Postgres — as users, for their businesses, for their careers, as well as some doubts. Here are some links to things they mentioned: Our episode on why Postgres become popular https://postgres.fm/episodes/why-is-postgres-popular Database Systems: The Complete Book (by Hector Garcia-Molina, Jeff Ullman, and …
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