Postgres FM

Postgres FM

By Nikolay Samokhvalov and Michael ChristofidesNewsTechnologyTech News
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Postgres FM episodes

  • Materialized views

    Apologies, Michael's audio is not great in this, we'll hopefully be back to normal next week!

    Here are links to a few things we mentioned: 

    • Materialized views (docs)
    • Refresh materialized view (docs)
    • Timescale blog post
    • PlanetScale Boost (content warning: MySQL) 
    • Incremental Materialized Views with pg_ivm (video by Lukas Fittl) 
    • Articles on how to do your own incremental updates(?)
    • Materialize (company) 
    • Materialize talk
    • Incremental View Maintenance (Postgres wiki)  
    • Implementing Incremental View Maintenance (mailing list thread) 


    ------------------------


    What did you like or not like? What should we discuss next time? Let us know by tweeting us on @samokhvalov / @michristofides / @PostgresFM, or by commenting on our Google doc.

    If you would like to share this episode, here's a good link (and thank you!)

    Postgres FM is brought to you by:

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


    With special thanks to:

    • Jessie Draws for the amazing artwork 
    42 min
  • HOT updates

    Here are links to a few things we mentioned: 

    • Heap-only tuple updates (docs)
    • README file (source code)
    • Heap Only Tuple chapter (Internals of PostgreSQL by Hironobu SUZUKI) 
    • How partial, covering, and multicolumn indexes may slow down UPDATEs (blog post by Nikolay) 
    • Why Uber switched from Postgres to MySQL (blog post)  
    • Fighting write amplification with HOT updates (Adyen blog post) 
    • HOT Updates vs Bottom-Up Index Deletion (video by Lukas Fittl from pganalyze) 
    • Reduced Bloat with Bottom-Up Deletion (blog post by Hamid Akthar from Percona) 
    • What is fillfactor and how does it affect performance? (blog post by Kaarel Moppel from Cybertec)


    ------------------------


    What did you like or not like? What should we discuss next time? Let us know by tweeting us on @samokhvalov / @michristofides / @PostgresFM, or by commenting on our Google doc.

    If you would like to share this episode, here's a good link (and thank you!)

    Postgres FM is brought to you by:

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


    With special thanks to:

    • Jessie Draws for the amazing artwork 
    31 min
  • Database branching

    Here are links to a few things we mentioned: 

    • Database Lab Engine
    • Overview of Aurora cloning 
    • PlanetScale branching
    • Common DB schema change mistakes (blog post by Nikolay)
    • Supabase vision
    • Neon branching
    • Shift-left testing


    ------------------------


    What did you like or not like? What should we discuss next time? Let us know by tweeting us on @samokhvalov / @michristofides / @PostgresFM, or by commenting on our Google doc.

    If you would like to share this episode, here's a good link (and thank you!)

    Postgres FM is brought to you by:

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


    With special thanks to:

    • Jessie Draws for the amazing artwork 
    32 min
  • Version control for databases

    Here are links to a few things we mentioned: 

    • A brief history of Version Control Systems (blog post by Mehran Hajirajabi)
    • Redgate Source Control for Oracle (and SQL Server)
    • Flyway 
    • Sqitch 
    • Liquibase 
    • pgAdmin Schema Diff 
    • Migra 
    • PostgresCompare 
    • Schema based versioning and deployment (blog post by Valentine Gogichashvili)
    • Change management tools and techniques (PostgreSQL Wiki)
    • GitLab migration_helpers.rb 
    • Database schema changes without downtime (blog post by James Coleman from Braintree/PayPal) 
    • Zero-downtime Postgres schema migrations need lock_timeout and retries (blog post by Nikolay) 


    ------------------------


    What did you like or not like? What should we discuss next time? Let us know by tweeting us on @samokhvalov / @michristofides / @PostgresFM, or by commenting on our Google doc.

    If you would like to share this episode, here's a good link (and thank you!)

    Postgres FM is brought to you by:

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


    With special thanks to:

    • Jessie Draws for the amazing artwork 
    32 min
  • Contributing to Postgres

    Here are links to a few things we mentioned: 

    • PostgreSQL 14 coin (upside down!)
    • Intro to Planner Hacking (talk by Melanie Plageman)
    • Demystifying contributing to PostgreSQL (talk by Lætitia Avrot)
    • How to become a PostgreSQL contributor (blog post by Aleksander Alekseev)
    • Compile and install from source code (PostgreSQL Wiki)
    • PostgreSQL mailing lists
    • GitHub PostgreSQL mirror
    • GitLab PostgreSQL mirror
    • Commitfests
    • So, you want to be a developer? (PostgreSQL Wiki)
    • Resolving the search engine issue (mailing list thread)
    • Planet PostgreSQL
    • pg_stat_monitor (extension by Percona)
    • ZomboDB
    • pgx (framework for developing extensions)
    • Awesome Postgres
    • Depesz blog 


    ------------------------


    What did you like or not like? What should we discuss next time? Let us know by tweeting us on @samokhvalov / @michristofides / @PostgresFM, or by commenting on our Google doc.

    If you would like to share this episode, here's a good link (and thank you!)

    Postgres FM is brought to you by:

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


    With special thanks to:

    • Jessie Draws for the amazing artwork 
    34 min
  • Stored procedures

    Here are links to a few things we mentioned: 

    • Extending SQL 
    • PostgREST  
    • PL/pgSQL 
    • EdgeDB  
    • pgTAP  
    • Sqitch 
    • Flyway  
    • Liquibase  
    • client_min_messages  
    • log_min_messages
    • RAISE DEBUG
    • Simplify: move code into database functions (blog post by Derek Sivers)  
    • PL/sh  
    • Supabase 
    • auto_explain.log_nested_statements  
    • Hasura  


    ------------------------


    What did you like or not like? What should we discuss next time? Let us know by tweeting us on @samokhvalov / @michristofides / @PostgresFM, or by commenting on our Google doc.

    If you would like to share this episode, here's a good link (and thank you!)

    Postgres FM is brought to you by:

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


    With special thanks to:

    • Jessie Draws for the amazing artwork 
    36 min
  • PostgreSQL 15

    Here are links to a few things we mentioned: 

    • PostgreSQL 15 release notes
    • Speeding up sort performance in Postgres 15 (blog post by David Rowley)
    • Past, Present, and Future of Logical Replication (talk by Amit Kapila) 
    • Postgres 15 improves UNIQUE and NULL (blog post by Ryan Lambert) 
    • Do you vacuum everyday? (talk by Hannu Krosing) 
    • Why upgrade PostgreSQL? (by depesz)


    What did you like or not like? What should we discuss next time? Let us know by tweeting us on @PostgresFM or by commenting on our topic ideas Google doc.

    If you would like to share this episode, here's a good link (and thank you!)

    ------------------------

    Postgres FM is brought to you by:

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


    With special thanks to:

    • Jessie Draws for the amazing artwork 
    30 min
  • 102 Query optimization

    Here are links to a few things we mentioned: 

    • pg_plan_advsr 
    • How partial, covering, and multicolumn indexes may slow down UPDATEs (blog post by Nikolay)
    • Why Uber Switched from Postgres to MySQL (blog post)
    • pganalyze index advisor
    • Nancy bot (project is not active)
    • pgreplay
    • pgreplay go  
    • Real Application Testing on YugabyteDB with pgreplay (blog post by Franck Pachot) 
    • pg_query  
    • Database Lab thin clones 
    • Migrating to Aurora: easy except the bill (blog post by Kimberley Nicholls) 


    ------------------------


    What did you like or not like? What should we discuss next time? Let us know by tweeting us on @PostgresFM or by commenting on our topic ideas Google doc.

    If you would like to share this episode, here's a good link (and thank you!)


    Postgres FM is brought to you by:

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


    With special thanks to:

    • Jessie Draws for the amazing artwork 
    32 min
  • Why is Postgres popular?

    This episode was badly affected by internet issues. Hopefully the edit came out ok, but the quality should be back to a better level from next week.

    Here are links to a few things we mentioned: 

    • Monthly blog event, PGSQL Phriday (blog post from Ryan Booz) 
    • Who or what made Postgres cool? (tweet from Kenneth Cassel) 
    • PostGIS 
    • Acquisition of Sun by Oracle 
    • DB-Engines trend
    • Hacker News hiring trends 
    • Supabase on GitHub (nearly 40k stars)
    • How I Built This (podcast) 


    ------------------------


    What did you like or not like? What should we discuss next time? Let us know by tweeting us on @PostgresFM or by commenting on our topic ideas Google doc.

    If you would like to share this episode, here's a good link (and thank you!)


    Postgres FM is brought to you by:

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


    With special thanks to:

    • Jessie Draws for the amazing artwork 
    32 min
  • Index maintenance

    Important correction from this episode: amcheck promises no false positives, not no false negatives, sorry!

    Here are links to a few things we mentioned: 

    • pgstattuple
    • pg_repack
    • postgres-checkup 
    • Workload Analysis for GitLab.com
    • Bloat Analysis (also from GitLab)
    • Bloat, pg_repack, and deferred constraints (blog post by Miro) 
    • amcheck
    • Peter Geoghegan interview (on Postgres TV) 


    ------------------------


    What did you like or not like? What should we discuss next time? Let us know by tweeting us on @samokhvalov and @michristofides or by commenting on our topic ideas Google doc.

    If you would like to share this episode, here's a good link (and thank you!)


    Postgres FM is brought to you by:

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


    With special thanks to:

    • Jessie Draws for the elephant artwork 
    33 min

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A weekly podcast about all things PostgreSQL

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