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Frederic Branczyk :verified:

@brancz.hachyderm.io.ap.brid.gy
0 followers 0 following 21 posts

VP of Data Engineering at Dash0 (Previously Founder & CEO at Polar Signals, acquired by Dash0) 🌉 bridged from ⁂ hachyderm.io/@brancz, follow @ap.brid.gy to interact

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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 16/10/2026
Had an incredible time at our Dash0 all company offsite in Dubrovnik! Very exciting things in the works, and now it’s time to ship!🚢 😎
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 30/09/2026
@jnsgruk only been a few weeks but I love it!
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 30/09/2026
Using Amp Code on my phone from within my Waymo while driving to pick up my badge for “The AI conference” is the most 2026 thing I've done this year.
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 25/09/2026
About to start my talk on performance engineering in the age of AI. Come and see it at WeAreDevelopers at stage 3!
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 22/09/2026
In sunny San Jose this week for WeAreDevelopers. Who else is gonna be there? Also don’t have dinner plans yet today if you’re up for talking observability, performance and/or GPUs 🤓
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 10/09/2026
At signals conf today, come say hi! Fun fact: the prep dinner for Signals Conf is where the idea for the Polar Signals <> Dash0 acquisition idea originated!
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 17/08/2026
@jnsgruk Thank you!
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 17/08/2026
Mirko and I realized that Polar Signals and Dash0 perfectly complement each other at a dinner in Berlin in March, and every time we talked, we realized that our visions, approach, and culture fit could not be better. I could not be more excited to bring continuous profiling to even more […]
hachyderm.io
Original post on hachyderm.io
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 22/05/2026
Got to troubleshoot what is probably one of the weirdest/most interesting bugs of my career yesterday and today. This one is probably going to deserve a write-up. Thankfully, we heavily dogfood our product, and as a result, customers had no impact.
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 13/05/2026
Been lightly using a gemma4 26B model with an mlx backend via lm studio and wow it’s incredibly good! Just for some random small chats, but it’s been surprisingly good.
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 11/05/2026
@jnsgruk @rustconf nice! I won’t be going personally but several polar bears are gonna be there!
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 09/04/2026
Shout out to Cursor for (to my knowledge) being the only MCP OAuth client that implements token refreshes! It makes a huge difference for users not having to re-auth all the time.
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 08/04/2026
/buddy off Fun idea, but in practice, annoying and distracting.
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 30/03/2026
Periodic reminder that O(1) is not equal O(1). Your constant matters.
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 24/03/2026
Matthias and I are at KubeCon! Hit us up if you wanna chat observability and continuous profiling!
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 20/03/2026
I'll be at KubeCon next week. I don't have many slots left, but if you wanna hang out or chat about profiling and all things observability! DM me, and I'm happy to find time!
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 19/02/2026
If you ever wondered how profilers work 🤓 www.polarsignals.com/blog/posts/202…
polarsignals.com
Call Stacks and Unwinding 101
How Profilers Work: Part 1
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 18/02/2026
Without requiring privileges and Kubernetes-specific code (I realize you could have passed the node name via downward API and check, but that requires privileges and Kubernetes-specific code).
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 10/02/2026
Do I know anyone who has successfully set up Google Workspace user sync and SSO with Azure (as in Google Workspace is the primary)? I could use some help (support has not been helpful).
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Frederic Branczyk :verified: @brancz.hachyderm.io.ap.brid.gy · 12/11/2022
I’ve been on #hachyderm for a few days now, so this #introduction is long overdue. I’m Frederic, I live in Berlin. I work at a small company that I founded called Polar Signals, we work on Parca, an open source profiler that uses #eBPF and a custom built columnar database for storage. I’m a […]
hachyderm.io
Original post on hachyderm.io
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