Andreas Scherbaum1d ago

Sometimes installing one package has unintended consequences, and breaks other stuff ...

How installing nftables broke ssh-copy-id

https://andreas.scherbaum.la/post/2026-06-15_how-installing-nftables-broke-ssh-copy-id/

#ssh #Docker #Firewall #WarehousePG #Container

How installing nftables broke ssh-copy-id

While testing a new feature for WarehousePG in our Docker containers, I ran into an unexpected problem: I wanted to block certain network traffic between the Docker hosts, and therefore installed nftables. Suddenly very early in the startup process the ssh-copy-id ssh key exchange broke.

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Andreas ScherbaumMar 16

Published the slides for my talk "How we made WarehousePG Open Source (again)" at PGConf India 2026, as usual on my website:

https://andreas.scherbaum.la/writings/

#WarehousePG #PostgreSQL #PGConf #PGConfIndia #Conference #Talk

Talks & Writings

a place to store my stuff

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Andreas ScherbaumMar 14

Today is Pi Day (3/14 in US date format)

In 2024, Pi was calculated to 105 trillion digits. That requires roughly a PB of storage to store this number.

(And I created a single table with 1 PB of data in WarehousePG last year).

Did you know that NASA once calculated that we only need 38 digits of Pi, ever?

https://science.slashdot.org/story/24/03/16/2357209/pi-calculated-to-105-trillion-digits-stored-on-1-petabyte-of-ssds

#PiDay #Pi #WarehousePG #NASA @warehousepg

Pi Calculated to 105 Trillion Digits. (Stored on 1 Petabyte of SSDs) - Slashdot

Pi was calculated to 100 trillion decimal places in 2022 by a Google team lead by cloud developer advocate Emma Haruka Iwao. But 2024's "pi day" saw a new announcement... After successfully breaking the speed record for calculating pi to 100 trillion digits last year, the team at StorageReview h...

Andreas ScherbaumMar 8

PostgreSQL Berlin March 2026 Meetup

https://andreas.scherbaum.la/post/2026-03-06_postgresql-berlin-march-2026-meetup/

#PostgreSQL #Meetup #Berlin #Hackorum #WarehousePG #CloudNativePG #Zalando #AWS @warehousepg

PostgreSQL Berlin March 2026 Meetup

On 5th of March, 2026, we had the PostgreSQL March Meetup in Berlin. Zalando hosted it again, and like last time it was four regular talks in two parallel tracks. The Meetup took place in the Hedwig-Wachenheim-Straße in Berlin, right around the corner from the Uber Arena and East Side Gallery. The event was co-sponsored by Zalando (venue, drinks) and AWS (pizza, snacks).

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Andreas ScherbaumMar 2

I'm talking about WarehousePG at PGConf India 2026 in Bangalore next week.

https://live.pgconf.in/schedule/147

#WarehousePG #PostgreSQL #Conference @warehousepg

PGConf India 2026

Asia's Largest PostgreSQL Conference - March 11-13, Bangalore

PGConf India
Andreas ScherbaumFeb 27

I'm speaking about WarehousePG at the PostgreSQL Meetup in Berlin next week. There will be 2 tracks, 4 talks in total, and you can submit a Lightning Talk as well.

Register here:
https://www.meetup.com/postgresql-meetup-berlin/events/313412510/
And don't miss out!

#WarehousePG #PostgreSQL #Meetup #Berlin @warehousepg @postgresberlin

PostgreSQL Berlin March 2026 Meetup, Thu, Mar 5, 2026, 6:30 PM | Meetup

Zalando is graciously hosting us for our first Meetup in 2026. And we are doing it a bit different: we have two rooms, and two talks in parallel. This gives you the opportu

Meetup
Andreas ScherbaumFeb 16

Presented at the Berlin Open Lakehouse and AI Meetups, about WarehousePG. Finally found the time to write about the meetup.

My talk was: How we made WarehousePG Open Source (again)

All talks and recordings are linked in the blog posting.

https://andreas.scherbaum.la/post/2026-02-16_open-lakehouse-and-ai-meetup-in-berlin-on-27th-january-2026/

#Berlin #Lakehouse #Clickhouse #WarehousePG #PostgreSQL #Meetup #Iceberg

Open Lakehouse and AI Meetup in Berlin on 27th January 2026

The Open Source Analytics Community is organizing Open Lakehouse and AI Meetups, this time in Berlin. I had the honor to present about WarehousePG.

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Andreas ScherbaumJan 26

I'm presenting at the:

Open Lakehouse and AI Meetup

in Berlin tomorrow, about WarehousePG and how we made the product open source again.

If you want to join, register here: https://luma.com/imejx9t2

#WarehousePG #OpenSource #Lakehouse #Meetup #Berlin #AI @warehousepg

Open Lakehouse and AI · Luma

The OSA Community is proud to host the Open Lakehouse and AI event in Berlin. As real-time databases integrate more closely with data lakes to reduce storage…

Andreas ScherbaumNov 30, 2025

#PostgreSQL Meetup während der IT-Tage in Frankfurt in zwei Wochen.

Schaut so aus als würde ich da einen zweiten Vortrag halten, über #WarehousePG (#Greenplum Fork, #PostgreSQL Fork).

10. Dezember, 18:30 Uhr.

https://www.meetup.com/postgres-user-group-frankfurt-am-main/events/312056115/

PostgreSQL Meetup in Frankfurt , Wed, Dec 10, 2025, 6:30 PM | Meetup

Hallo zusammen, bitte den Termin vormerken! Wir treffen uns am **10 Dezember ab 18:30 Uhr** im Scandic Frankfurt Museumsufer zu einer weiteren großartigen PostgreSQL-Sessio

Meetup
Andreas ScherbaumJul 4, 2025

Today is the DBA Appreciation Day!

Bring your DBAs a cake and a coffee, please. And don't drop any tables in production, pretty please. It's weekend ...

#PostgreSQL #SQLServer #Oracle #DB2 #MySQL #MariaDB #Snowflake #SQLite #Neo4j #Teradata #SAPHana #Aerospike #ApacheSpark #Clickhouse #Informix #WarehousePG #Greenplum #Adabas