
Tanel Poder 🇺🇦
@TanelPoder
Creator of http://0x.tools and a long time computer performance nerd. Performance & Troubleshooting Training: https://learn.tanelpoder.com
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pqr.sql: Generate QR Codes with Pure SQL in PostgreSQL tanelpoder.com/posts/generate…

TIL you can just run `networkquality` in your terminal on MacOS

this guy @TanelPoder, has made this: tanelpoder.com/posts/generate…
What an energetic audience! 🔥 It was a full house for our session “AWR.ai: New LLM-Powered Investigations into Database Performance [LRN2899]” — and I’m still buzzing from the excitement! Huge thanks to everyone who joined us (and even stayed an extra 30…
![sai_penumuru's tweet image. What an energetic audience! 🔥 It was a full house for our session “AWR.ai: New LLM-Powered Investigations into Database Performance [LRN2899]” — and I’m still buzzing from the excitement!
Huge thanks to everyone who joined us (and even stayed an extra 30…](https://pbs.twimg.com/media/G3ZTFfAWIAAXHcF.jpg)
![sai_penumuru's tweet image. What an energetic audience! 🔥 It was a full house for our session “AWR.ai: New LLM-Powered Investigations into Database Performance [LRN2899]” — and I’m still buzzing from the excitement!
Huge thanks to everyone who joined us (and even stayed an extra 30…](https://pbs.twimg.com/media/G3ZTR8DWIAYLvRV.jpg)
![sai_penumuru's tweet image. What an energetic audience! 🔥 It was a full house for our session “AWR.ai: New LLM-Powered Investigations into Database Performance [LRN2899]” — and I’m still buzzing from the excitement!
Huge thanks to everyone who joined us (and even stayed an extra 30…](https://pbs.twimg.com/media/G3ZTTR0XEAAva7Y.jpg)
![sai_penumuru's tweet image. What an energetic audience! 🔥 It was a full house for our session “AWR.ai: New LLM-Powered Investigations into Database Performance [LRN2899]” — and I’m still buzzing from the excitement!
Huge thanks to everyone who joined us (and even stayed an extra 30…](https://pbs.twimg.com/media/G3ZTUxxWIAUUI5H.jpg)
This post is locked and it calls out my tweet so i will respond here. This issue is nothing like the one we are facing. we have capacity issues getting huge metal nodes for customers that order them in batches of 750 at a time. Supabase isn't able to provision small nodes. We can…

I don't think people realize that companies Block (Cash App), Intercom, Cursor, Whop, MyFitnessPal, Kick run their largest databases ON OUR CLOUD. This is a massive responsibility that we take very seriously. It's also incredibly different from selling on prem software.
After a discussion on the public postgres slack, I POC'd a simple function that returns key parts of a SQL and avoids leaking literals - an alternative to full parsing (eg. PgAnalyze). The aim is to share query intent without exposing sensitive data. ardentperf.com/2025/10/15/san…
Saw that DGX Spark vs Mac Mini M4 Pro benchmark plot making the rounds (looks like it came from @lmsysorg). Thought I’d share a few notes as someone who actually uses a Mac Mini M4 Pro and has been tempted by the DGX Spark. First of all, I really like the Mac Mini. It’s…


My man @TanelPoder continues his quest to Make Observability Great Again! tanelpoder.com/posts/optimizi…
Join us tomorrow at 9am PT for a livestream covering how to migrate your Postgres database to PlanetScale. We'll go over different migration methods like dump/restore, logical replication, and Amazon DMS + a live Q&A. Watch live on X or register here: streamyard.com/watch/h64fznWK…
Sql people scare me
pqr.sql: Generate QR Codes with Pure SQL in PostgreSQL tanelpoder.com/posts/generate…

OMG lol
Instrumentation is investment! (when the topic of instrumentation overhead comes up)
This is your chance to shape what products we build, how we build them, and what features they should have ... Take the Oracle DB Developer Survey 2025 and share your insights: customersurveys.oracle.com/ords/surveys/t…
A little sample of the xtop tool that I'll be demoing soon! 😎

eBPF has always been a popular topic at #P99CONF. On October 22-23, we'll welcome @TanelPoder, @DDelnano, Jake Hillion, and @parttimen3rd to share what's next for observability and #eBPF. Don't miss these interactive sessions! ow.ly/NpUk50WRh65 #ScyllaDB

eBPF has always been a popular topic at #P99CONF. On October 22-23, we'll welcome @TanelPoder, @DDelnano, Jake Hillion, and @parttimen3rd to share what's next for observability and #eBPF. Don't miss these interactive sessions! ow.ly/NpUk50WRh65 #ScyllaDB

#PostgresMarathon 2-004: Fast-path locks explained (and the PG 18 improvement) 🖖 don't forget to subscribe & share! we'll be diving into various dark corners of Postgres and learn how to make it ludicrously fast 🎇 After 2-003, @ninjouz asked: > If fast-path locks are stored…



Today's video is a SQL tip! Are you seeing the ORA-00918 error at random times? Here is the likely cause, and just like in most cases, it all comes back to same reason as always :-) youtu.be/VErx5k-H4J8
youtube.com
YouTube
Why you are getting "ORA-00918: column ambiguously defined"
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