
0-to-1 SRE Interview Playbook (2026)
Ace SRE interviews: reliability, observability, infra
What it does
Complete SRE/DevOps interview prep for Google, Meta, Amazon roles. Reliability Engineering & SLOs | Observability & Monitoring | Incident Management | Infrastructure Design | CI/CD Pipelines | On-Call Scenarios Built by a Silicon Valley Product Leader who has conducted 200+ interviews at Amazon and Microsoft. $9.99 on Gumroad. FREE on Kindle May 23-27.
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- IWI wrote a beginner SRE book, and it's free today2022 · amazon.com · ▲31
Hello! I wrote an introductory SRE Book: Site Reliability Engineering Tidbits and it's free today! These are short fun chapters about SRE, monitoring, debugging, observability, and resiliency. This book aims to provide hands on examples of implementing a number of concepts described in Google's SRE books. It also describes how i've seen SRE concepts impact some of the organizations I've worked in. A couple chapters are hands on debugging exercises going through the process of debugging applications based on data. I'm excited because every chapter describes something that I've done in paying…
- IWI wrote a book on Site Reliability Engineering2022 · ▲14
Hello! I just published a book on Site Reliability Engineering. https://www.amazon.com/dp/B09QNZC2LL This book is a collection of 28 chapters on SRE concepts, such as observability, monitoring, Service Level Objectives (SLOs), alerting, resilience and debugging. I adapted each chapter from blog posts I've written over the last 4 years. Most of the chapters detailed concepts that I applied while working at $dayjob, so they are 100% proven in real business settings :) ------ Some info on the backstory. Last year I started writing a book on my software development…
0-to-1 SA Interview Playbook (2026)May 2026 · amazon.com · ▲1Master SA interviews: cloud, system design, leadership

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Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…
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