Bartek Żyliński @PaskSoftware

💻 Senior Software Engineer @Box ✍️ Blogger @PaskSoftware 🌐 Distributed Systems 🧠 System Design 🛠 Simplicity at Scale pasksoftware.com Joined May 2021

Tweets

322
Followers

126
Following

241
Likes

3K

Bartek Żyliński @PaskSoftware

3 days ago

🚀 Limitless System Design #6 is live: @UberEng : cache—150M r/s, 99.9% hits. @Cloudflare : more models, fewer GPUs (~4× mem). @awscloud : HW w/ Multi-AZ + ARC Zonal Shift (-25% capacity). Issue #7 ~ Sept 17. Got links? DM. ☕ linkedin.com/pulse/aws-uber… #SystemDesign #SRE…

0 0 1 65 0

Bartek Żyliński @PaskSoftware

a week ago

Stop architecture drift. ArchUnit lets you test your design: * enforce boundaries * ban cycles * lock down hexagonal layers Guide + drop-in rules: pasksoftware.com/archunit/ #Java #SoftwareEngineering

0 0 3 102 0

Bartek Żyliński @PaskSoftware

a month ago

🔥 Limitless System Design—Issue #4 is live! You can read it here: linkedin.com/pulse/one-in-a… Inside: 💯 100× latency bug, one-line fix - @PinterestEng ⚙️ Catching silent HW errors at scale - @Meta 💾 256 TB flash targets HDDs - @SanDisk 📅 #5 lands on 20th of August.…

0 0 1 78 0

Bartek Żyliński @PaskSoftware

2 months ago

🚀 Limitless System Design—Issue #3 is live! 👉 You can read it here: linkedin.com/pulse/tudum-ca… Inside: 🏠 @NetflixEng - Homepage 3× faster, no DB ✨ @PinterestEng - Spark-on-EKS with ARM 🏙️ @UberEng - Reinforcement learning in 400 cities 📅 #4 lands on 6th of August. Till…

0 0 2 59 0

Bartek Żyliński @PaskSoftware

2 months ago

REST, gRPC, GraphQL, WebSockets—who really wins? I compared 7 API styles across 10 key metrics in one no-fluff guide. See where each of them shines. ⤵️ Dive in pasksoftware.com/ways-to-build-…

0 0 2 43 0

Bartek Żyliński @PaskSoftware

2 months ago

🚀 Limitless System Design—Issue #2 is live! 🔥 👉 You can read it here: linkedin.com/pulse/kerberos… Inside: ☁️ @Cloudflare Instant, egress-free log search. ✨ @PinterestEng Ray replaces Spark + Celery 🐦‍⬛ @agoda Sub-second Kafka failover Issue #3 lands around 16 July. Till then…

0 0 1 89 0

Bartek Żyliński @PaskSoftware

3 months ago

Limitless System Design is still on 🔥. In fact today is time for its first actual issue. 👉 You can read it here: linkedin.com/pulse/uda-mult… Inside: 🚕 Config-driven archival & recall — @Uber YAML-plus-Airflow framework 🔒Seamless multi-region PrivateLink — <1-min failover…

0 0 2 179 0

Bartek Żyliński @PaskSoftware

3 months ago

Not exactly hot off the press—but definitely on point. The newest Limitless System Design is out! Inside the current issue: 🗂️ Zero-egress lakehouse on object storage ⏱️ 80 % faster Lambdas, 60 % cheaper queries 🔍 5 M flows/sec, attribution linkedin.com/pulse/millions… #Software

0 0 2 107 0

Bartek Żyliński @PaskSoftware

3 months ago

🚀 Fresh off the press #LimitlessSystemDesign. 🗞️ Inside the current issue: @CorticalLabs CL1, the first ever biological computer Zero-downtime K8s migration by @Uber 1 000 models, same latency by @instagram’ linkedin.com/pulse/man-made…

0 0 1 81 0

Bartek Żyliński @PaskSoftware

4 months ago

I’m exploring CRDTs, "relatively" new topic in distributed systems. Data structures that allow multiple replicas to be updated independently and converge on the same state. Curious? Dive into the theory, how they work, and their use cases here: pasksoftware.com/crdts/

0 0 3 110 0

Bartek Żyliński @PaskSoftware

4 months ago

Scalability is a critical attributes of any system. Here pasksoftware.com/scalability/ I am exploring a multitude of scalability related topics: * Sings that your system is not scaling * Tools, and techniques, for scalability * Why we fail to scale #Scalability #SoftwareDesign