Prague PostgreSQL Developer Day

That’s a wrap at #P2D2! 🎉 Huge thanks to our amazing speakers, organizers, and attendees for making it unforgettable.

PostgreSQL, people, and Prague—what a combo. We can’t wait to do it again next year. See you soon — brzy na viděnou! 🇨🇿💙

Fuzzing PostgreSQL at the front door 🔍Adam Wołk shows how it uncovers edge-case bugs in libpq and #PgBouncer. Learn how to build harnesses, harden Postgres networking code against real-world failures. p2d2.cz/en/talks/kno...

#libpq #Fuzzing #DatabaseSecurity #OpenSource #DBA #DeveloperTools

“It works on my database” 😅

Radim Marek shows why that’s not enough. Learn how RegreSQL brings PostgreSQL-style regression testing to application SQL. lnkd.in/dDCE5VHu

#PostgreSQL #P2D2 #P2D2 #SQL #Testing #RegressionTesting #DatabaseDev

Observability beyond the database. ☁️

Peter Zaitsev Percona Coroot explores cloud-native Postgres monitoring—from client apps to VMs, storage, and networks. Learn to track Postgres in dynamic cloud environments. p2d2.cz/en/talks/clo...

#PostgreSQL #P2D2 #Observability #Cloud

Vacuum horror stories don’t have to end badly. 🧹

Robert Treat dives into large-table vacuuming, XID wraparound incidents, recent Postgres improvements that make mission-critical workloads safer. p2d2.cz/en/talks/a_b...

#PostgreSQL #P2D2 #Vacuum #Internals

How much performance is left on the table with default settings? 🤔

Luigi Nardi presents a benchmark study on PostgreSQL server parameter tuning, comparing OLTP and OLAP workloads and showing how hardware and environment change the results. p2d2.cz/en/talks/a_b...

#PostgreSQL #P2D2 #Performance

“Heeey, I’m using that!” 😅

Ants Aasma digs into OLTP lock contention in PostgreSQL—why it happens, how isolation levels, latency, and concurrency control affect it, and how to fix it without breaking correctness.

#PostgreSQL #P2D2 #OLTP #Performance

What really changes at 100TB+? 🤯

Teresa Lopes shares hard-won lessons from running massive PostgreSQL databases at Adyen—covering backups, HA, vacuum, and performance when “best practices” stop working. lnkd.in/d_QD95ZG

#PostgreSQL #P2D2 #PGScale #Databases

PostgreSQL 18 brings big upgrades to constraints! 🔒

Gülçin Yıldırım Jelínek Xata.io breaks down what’s new—from temporal PK/FKs to NOT ENFORCED constraints and better partition support—and how to use them in real systems. lnkd.in/d_xZ6HD2

#PostgreSQL #P2D2 #PG18 #DataIntegrity

Incredible Lightning Talks at P2D2 hosted by Pavlo Golub! ⚡

Our taleted speakers showcased projects in under 5 mins. Huge thanks to Mayuresh, Michal, Sergey, Alijaz, Josef, Hettie, Ants, Jonathan, Ellyne, Mohsin, Anton, Luigi 🙌

Slides: lnkd.in/dfRNUYeQ

#P2D2 #PostgreSQL #LightningTalks

Bruce Momjian presenting to an auditorium at P2D2

Jonathan Battiato, Danish Khan, Pinaz Raut, Markus Wanner, and Bruce Momjian, behind the EDB Postgres AI booth filled with swag.

Jonathan Battiato pointing at his slide. People sit in classroom setting facing Jonathan so we only see their backs and an occassional laptop screen.

We're having great conversations at P2D2! Did you join Bruce Momjian's presentation on what's missing in #PostgreSQL? How about the workshop on @cloudnativepg.bsky.social by Jonathan Battiato and Danish Khan?

Come find us at our booth at @praguepgdevday.bsky.social 👋

Explore TimescaleDB for IoT!

Michal Bartak shows how to collect & visualize data using continuous aggregates, compression, and retention strategies. Learn how dataset types impact Grafana dashboards and maintain your time-series data efficiently.

#PostgreSQL #TimescaleDB #IoT #P2D2

Do ORMs make you 😃 or 😡? Petr Šmejkal Outreach explores building Go services on PostgreSQL, shares his take on sqlc—what works, what doesn’t, and how to fix pitfalls. Learn practical ways to make your SQL + Go workflows smooth and reliable!

#PostgreSQL #ORM #Go #P2D2

Think your PostgreSQL tuning guide works for all setups? Think again! 🚨 Mohsin Ejaz shows why generic advice can fail and how infrastructure—storage, IOPS, JIT, cloud vs on-prem—shapes the optimal configuration. Tune PostgreSQL the right way!

#PostgreSQL #Performance #P2D2

Help us collect attendee stats for P2D2 and support our sponsors 🙌

Fill in our short form and you’ll be entered into a draw to win one of 3 copies of Jimmy Angelakos's book "PostgreSQL Mistakes and How to Avoid Them” 📘🎉

Survey link: p2d2.cz/stats

#P2D2 #PostgreSQL #Community #Giveaway

Don’t forget the hallway track ☕️🤝 That’s where great coffee meets sponsor booths, spontaneous Postgres chats, and reconnecting with old friends—or making new ones. Some of the best insights happen between the talks!

#P2D2 #PostgreSQL #HallwayTrack #PostgresCommunity

Special guest spotted at #P2D2 👀🐘

Our Slonik mascot made a surprise appearance, spreading good vibes, Postgres pride, and a few smiles around the venue. Turns out even elephants love a great PostgreSQL conference! 💚

#PostgreSQL #Slonik #PostgresCommunity

Zero downtime, zero drama.

Anton Borisov shares how Fresha upgraded dozens of PostgreSQL clusters from 12 → 17 using logical replication, PgBouncer choreography, and blue-green switches—without breaking traffic or CDC. p2d2.cz/en/talks/swi...

#PostgreSQL #P2D2 #Upgrades #DevOps

PostgreSQL evolves fast—yet some big features are still missing.

Bruce Momjian explores why sharding, TDE, global indexes, and multi-master replication aren’t in Postgres (yet), and what that means for the future. p2d2.cz/en/talks/wha...

#PostgreSQL #P2D2

SQL injection is just the beginning.

Kranthi Kiran Burada & Narendra Tawar uncover advanced PostgreSQL threats—from FDW abuse and side channels to logical replication misuse and RLS pitfalls. lnkd.in/duc7FPyD

#PostgreSQL #Security #P2D2

How do B-tree indexes really work—and how should you tune them today (and tomorrow)?

Jakub Kužela dives into index access paths, skip scans, automated indexing, and the future of self-tuning databases. lnkd.in/dczDjfA8

#PostgreSQL #Indexes #Performance #P2D2

Do you really need Kafka for every queue? 🤔

Alexander Kukushkin revisits PgQ, PostgreSQL’s lock-free, high-performance queue, and why SKIP LOCKED falls apart under load. lnkd.in/dSrpHGmJ

#PostgreSQL #PgQ #P2D2 #EventDriven #Databases

How do you really clean up PostgreSQL at scale? 🧹🐘

Çağrı Biroğlu dives into autovacuum internals, safe deletion patterns, and avoiding vacuum storms in high-concurrency systems. lnkd.in/dh6SKhJ9

#PostgreSQL #P2D2 #Autovacuum #Internals #Performance

Kicking off P2D2 with a packed morning! 🚀 Tomas Vondra opened the day with the introduction as we return to this venue for the 11th year. 320 attendees and lots of Postgres energy in the room—are you excited for the day ahead? 🐘✨

#P2D2 #PostgreSQL #PGDay #PostgresCommunity #Prague #TechConference

Hands-on monitoring at P2D2! 🐘 Pavlo Golub led pgwatch: From Zero to Hero!, guiding attendees through setup, connecting PostgreSQL instances and more. Practical tips for production-ready Postgres monitoring.

#PostgreSQL #P2D2 #pgwatch #Monitoring #Grafana #DBA #PostgresOps #OpenSource

Hands-on with PgBouncer at P2D2! 🐘 Josef Machytka led a workshop exploring connection pooling, prepared statements, HA patterns and more. Learn how to scale and optimize your Postgres connections!

#PostgreSQL #P2D2 #PgBouncer #ConnectionPooling #DatabasePerformance #DBA #PostgresExperts

📊 PostgreSQL Query Optimization in action at #P2D2! Henrietta Dombrovskaya leads a workshop on writing efficient queries—reading execution plans, choosing the right indexes, and more. All wrapped up with the Ultimate Optimization Algorithm. 🚀🐘

#PostgreSQL #QueryOptimization #DatabasePerformance

🚀 Day 1 at #P2D2 — workshops happening this morning: PostgreSQL Query Optimization (Hettie Dombrovskaya), Running PostgreSQL in #Kubernetes with #CloudNativePG (Jonathan & Danish), and Introduction to Postgres Hacking (Tomas Vondra, Nazir Bilal Yavuz). ☕🐘

#PostgreSQL #P2D2 #Workshops #Training

Our Prague PostgreSQL Meetup was a hit! 🎉 Teresa Lopes, Josef Machytka & Luigi Nardi shared insights on Postgres at scale, high-speed pipelines & AI in databases. Great discussions and networking ahead of P2D2 2026! #PostgreSQL #PGDay #P2D2 #TechCommunity

📍 See you tomorrow at Prague PostgreSQL Developer Day!

⚠️ Please note: Tomorrow (27 Jan) is workshops only, conference talks will take place on Wednesday (28 Jan).

Venue: ČVUT FIT, Thákurova 9, Praha 6
🚇️ Metro Dejvická, ~5 min walk
📝 Registration: lnkd.in/eTmWGmvb