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Bartłomiej Płotka @bwplotka.dev · 14/02/2026

🚨 ALERTS{alertname="NewBlogPost", alertstate="firing"} 1 I wrote a about exciting and ambitious changes we are making in @cncf.bsky.social @prometheus.io project: prometheus.io/blog/2026/02... Diving into the potential future of the "native" model for the composite metric types in Prometheus. 💪

prometheus.io

Modernizing Prometheus: Native Storage for Composite Types | Prometheus

An open-source monitoring system with a dimensional data model, flexible query language, efficient time series database and modern alerting approach.

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Bartłomiej Płotka @bwplotka.dev · 10/11/2025

Side projects, blog, podcasting is hard with 2 small kids, but I eventually managed to find time for a blog! (PS: I had to switch to 5am routine 🙈) Wrote some words about #lazygit OSS tool and what we can learn from its UX. Enjoy! 🤗 bwplotka.dev/2025/lazygit/

bwplotka.dev

The (lazy) Git UI You Didn't Know You Need

When my son was born last April, I had ambitious learning plans for the upcoming 5w paternity leave. As you can imagine, with two kids, life quickly verified this plan 🙃. I did eventually start some p...

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Bartłomiej Płotka @bwplotka.dev · 09/10/2025

FYI, @cncf.bsky.social #KubeCon Europe (23-26th March) CFP closes in 3 days (12th October). What fun talks do you plan to propose? (: events.linuxfoundation.org/kubecon-clou... What'd you like to like to hear more about? Maybe you'd like to co-speak? Happy to mentor/co-speak with passionate ppl!

events.linuxfoundation.org

Call For Proposals (CFP) | LF Events

KubeCon + CloudNativeCon gathers adopters and technologists from leading open source and cloud native communities from 23-26, March. Join our current graduated, incubating, and sandbox projects as the...

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Bartłomiej Płotka @bwplotka.dev · 22/09/2025

I'd better start writing code to start writing my talk!

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Bartłomiej Płotka @bwplotka.dev · 09/09/2025

Fun bugs happen, let's see if you can spot them (without looking on comments)! (: Quiz#1: Why "make check" will never detect any formatting errors in the following snippet: gist.github.com/bwplotka/5c6...

gist.github.com

quizes_total{} 1: Why "make check" will never detect any formatting errors?

quizes_total{} 1: Why "make check" will never detect any formatting errors? - Makefile

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Bartłomiej Płotka @bwplotka.dev · 21/08/2025

Thinking about starting writing more again (blog posting, social media).. should I? I have some engineering/oss/mentoring topics queued for too long 🙈

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Bartłomiej Płotka @bwplotka.dev · 31/07/2025

Ever dreamed to be mentored by @prometheus.io community; get skilled in high performance monitoring databases, @golang and help #opensource on the way? Apply today on the LFX website 🤗 mentorship.lfx.linuxfoundation.org#projects_all

mentorship.lfx.linuxfoundation.org

Mentorship

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Julius Volz @juliusv.com · 24/06/2025

Reminder: The CfP for #PromCon (October 21+22 in Munich) is open! Please submit your @prometheus.io talks :) promcon.io/2025-munich/...

promcon.io

PromCon

PromCon, the conference about the Prometheus monitoring system and time series database

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Bartłomiej Płotka @bwplotka.dev · 24/06/2025

Things that brings the joy 🙃

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Bartłomiej Płotka @bwplotka.dev · 17/05/2025

"Every now and then, some people stop me in the street and say, ‘Oh, are you James Gosling? Thank you for giving me a career. I’ve been writing Java code for 20 years, and it’s been a great career.`" - JG thenewstack.io/java-at-30-t...

thenewstack.io

Java at 30: The Genius Behind the Code That Changed Tech

From trash-diving teen to tech pioneer, James Gosling's pragmatic genius shaped three decades of Java and modern computing.

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Bartłomiej Płotka @bwplotka.dev · 03/05/2025

This April release, a new excited API, called Leo, was added to our Family! ♥️ We will be spending our time now to learn Leo requirements and outputs, so expect delays from me in OSS world in May... 🙈

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Bartłomiej Płotka @bwplotka.dev · 08/04/2025

Well anyone can do it easily with go bench and benchstat these days, exported to @prometheus.io or sheet graphing. Maybe you meant benchmark.vitess.io ?

benchmark.vitess.io

Vitess | Benchmark

Scalable. Reliable. MySQL-compatible. Cloud-native. Database.

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Matthias Loibl @metalmatze.de · 03/04/2025

What? Breaking metrics? 😱 @bwplotka.dev

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Eric D. Schabell @schabell.org · 25/02/2025

For the first time, @cncf.io sandbox project @PersesDev will be at #KubeCon EU in London with a booth in the Project Pavilion at kiosk number 3B! Core maintainers @nexucis, Antoine Thébaud, @ntakashi.com, and Gabriel Bernal will be there for a chat!

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Julius Volz @juliusv.com · 25/02/2025

I've just updated all of my Prometheus monitoring trainings at training.promlabs.com to Prometheus v3 and also updated most other component versions (Alertmanager, exporters, Prometheus Operator, SDKs, ...) to keep things fresh. Check out the trainings if you want to learn @prometheus.io :)

training.promlabs.com

Learn Prometheus From the Creator

Learn Prometheus in the most effective way with online trainings by PromLabs

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Bartłomiej Płotka @bwplotka.dev · 12/02/2025

What's weird in this @prometheus.io screenshot? What do you think about this? (:

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Maartje @maartje.dev · 29/01/2025

Go 1.24 now has Swiss Maps! Good thing I am an expert on those, all about it at FOSDEM!

slide about Go 1.24 showing the SBB network map

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Bartłomiej Płotka @bwplotka.dev · 30/01/2025

Tdd, no? :p Thumb driven development Virtual democracy

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Bartłomiej Płotka @bwplotka.dev · 30/01/2025

Epic discussion around @golang.org error handling: github.com/golang/go/di... Adventurous ideas. Ofc there might something to improve, but the following image is still applicable: 🙈

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Bartłomiej Płotka @bwplotka.dev · 29/01/2025

We see more and more questions/responses on GitHub issues on OSS projects clearly generated with the help of GenAI - very generic, asking kind of unrelated questions. Quite hard to judge what part contributor exactly does not understand and how to help. Do you experience similar? Any tips? (:

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Bartłomiej Płotka @bwplotka.dev · 26/01/2025

Thanks! Yea this is really generous from Go side, hope users realise that (:

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Bartłomiej Płotka @bwplotka.dev · 26/01/2025

Wow what an investigation! Sounds like some library was just using runtime internals unsafely 🤔 Curious why that's a Go release blocker (I didn't dive very deep into discussion)

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Bartłomiej Płotka @bwplotka.dev · 26/01/2025

Looks like @golang.org 1.24 is going to be pretty epic! Weak pointers, properly working finalizers alone might change the game! Then optimized maps, native fake clock, benchmarking reliability and ease of use, and tooling dependency management.. and more! antonz.org/go-1-24/

antonz.org

Go 1.24 interactive tour

Weak pointers, faster maps, directory-scoped access, and more.

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Bartłomiej Płotka @bwplotka.dev · 20/01/2025

With Filip we wrote a blog post explaining the new @golang.org 1.23 "iter" package and its unexpected use case in the Go gRPC world and @thanos.io We also dive into Go coroutines (not goroutines!) that makes new iterators even more special, enjoy! 🤗 bwplotka.dev/2025/go-grpc...

bwplotka.dev

Optimizing in-process gRPC with Go 1.23 Iterators and Coroutines

A few years back I have been exploring solutions for the in-process gRPC pattern in Go, for the Thanos project . Recently, a friend and a Thanos maintainer Filip refreshed the initial Thanos solution ...

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Bartłomiej Płotka @bwplotka.dev · 15/01/2025

Agree, I never know what to say here, choose randomly (:

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Nicolas Takashi @ntakashi.com · 15/01/2025

Now it’s official! I’m thrilled to announce I’ll be speaking at Observability Day alongside @Anthoine Thebaud about Dashboard as Code and Perses. See you all in London, folks!

buff.ly

KubeCon + CloudNativeCon Europe 2025: Limitless Possibilities, Consistent Desi...

View more about this event at KubeCon + CloudNativeCon Europe 2025

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Polar Signals @polarsignals.com · 14/01/2025

📢 New year, new compliance! We're excited to share that Polar Signals Cloud is now SOC2 type 2 compliant! 🔐 www.polarsignals.com/blog/posts/2...

polarsignals.com

Polar Signals Achieves SOC 2 Type 2 Compliance

Reinforcing our unwavering commitment to robust security

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Bartłomiej Płotka @bwplotka.dev · 12/01/2025

Orange sky is so magical. Imagine full time working from here...

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Michael Pratt @prattmic.com · 28/12/2024

I've finally gotten around to publishing my notes on how I use jj for contributing to Go/working with Gerrit. pratt.im/notes/jj-go-...

pratt.im

jj for developing Go

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Bartłomiej Płotka @bwplotka.dev · 20/12/2024

Yup. The complex type handling feels like the most interesting and relevant now, motivator against dots in unquoted metric names. Perhaps actually trying to propose something there with dots (or check alternative chars) would be beneficial to progress here and reduce confusion (e.g. on why)

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Bartłomiej Płotka @bwplotka.dev · 20/12/2024

Coding AIs are great, but sometimes it feels good to use the old-school regex replacements you can trust without review 🙈

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Bartłomiej Płotka @bwplotka.dev · 20/12/2024

The challenge is to explain why you need those for dots 🙈

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Bartłomiej Płotka @bwplotka.dev · 19/12/2024

Ack, hope its not like you just don't want to admit it to be nice! 😄 I would be ok with that it would be good for me to practice "loving the no" open.spotify.com/episode/4VLh...

open.spotify.com

Loving the No (Coaching Session Breakdown)

The Art of Accomplishment · Episode

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Bartłomiej Płotka @bwplotka.dev · 19/12/2024

That's related to my PR? (:

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Bartłomiej Płotka @bwplotka.dev · 17/12/2024

Programming in Makefile is only for the thrill seekers;every space matters!

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Bartłomiej Płotka @bwplotka.dev · 17/12/2024

Finally, an OpaqueAPI is officially coming to Go, with exciting lazy decoding and optimized memory layout! Now you know why the new API was necessary with that gogo migration friction 🙈 Let us know how it goes for you, it massively improved efficiency internally (lots of fields are never accessed)

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Bartłomiej Płotka @bwplotka.dev · 13/12/2024

Ah nice! Yea, we could make this a pattern. However it feels it would need to handle load balancing too (supporting multiple Prometheus-es), which touches "dynamic scrape target distribution problem" that is generally a bad idea (less reliable) Somewhat relevant to opentelemetry.io/docs/kuberne...

opentelemetry.io

Target Allocator

A tool to distribute targets of the PrometheusReceiver on all deployed Collector instances

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Bartłomiej Płotka @bwplotka.dev · 13/12/2024

...there's even a OSS metric collection operator we maintain at Google with that optimization 🙃 github.com/GoogleCloudP... Another solution is to ofc have a cluster service discovery that pushes the targets to node agents, but pure (optimized) daemonset usually scales enough!

github.com

GitHub - GoogleCloudPlatform/prometheus-engine: Google Cloud Managed Service for Prometheus libraries and manifests.

Google Cloud Managed Service for Prometheus libraries and manifests. - GoogleCloudPlatform/prometheus-engine

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Bartłomiej Płotka @bwplotka.dev · 13/12/2024

Solid OpenAI post-mortem on @kubernetes.io API overload, caused by "per-node telemetry ingestion" status.openai.com/incidents/ct... 🤔 Oddly familiar to a common DaemonSet @prometheus.io / @opentelemetry.io gotcha for metrics scrapes, we talked about in the past: youtu.be/yk2aaAyxgKw?... 🙈

status.openai.com

API, ChatGPT & Sora Facing Issues

OpenAI's Status Page - API, ChatGPT & Sora Facing Issues.

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Bartłomiej Płotka @bwplotka.dev · 05/12/2024

Quiz: Why am I paying so much for storing my photos in the cloud? Hint in the screenshot. 🫠

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