Writing
Notes on software, chess, design, and the things that connect them. Begin with an ordered path, then browse by subject or time.
Guided paths
Ordered series for questions that need more than one entry to answer.
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Go Patterns
A practical reading order for concurrency in Go: how work starts, moves, stops, and stays bounded.
See the reading order → -
TDD & Software Design
A path through tests, boundaries, and the design decisions that make code safer to change.
See the reading order → -
UX Japan
Japanese interfaces as a lens for attention, density, context, and cultural design choices.
See the reading order → -
Projects
Notes from building production tools: the trade-offs, constraints, and questions each project exposed.
See the reading order → -
Rebuilding an Ingestion Pipeline
A reading order through the rebuilt tracing pipeline: Kafka delivery, Go processing, Redis coordination, ClickHouse analytics, and Quickwit search.
See the reading order →
The archive
55 total2026
43 entries
№55 8 Oct Out-of-Order Traces: Redis Timestamp Coordination Model Devlog
· 5 min
· Rebuilding an Ingestion Pipeline · Part 6 №54 1 Oct Stacked Changes with Jujutsu: The Local Graph GitHub Misses Systems & tooling
· 12 min
· Stacked Pull Requests · Part 3 №53 24 Sept Five ClickHouse Decisions for LLM Trace Analytics Devlog
· 8 min
· Rebuilding an Ingestion Pipeline · Part 5 №52 12 Sept GitHub Stacked Pull Requests: First Stack to Partial Merge Systems & tooling
· 14 min
· Stacked Pull Requests · Part 2 №51 10 Sept When One Go Binary Beats Three Separate Kubernetes Services Devlog
· 5 min
· Rebuilding an Ingestion Pipeline · Part 8 №50 3 Sept Streaming OTLP JSON in Go Without Loading the Payload Devlog
· 4 min
· Rebuilding an Ingestion Pipeline · Part 4 №49 1 Sept Why I Built the Plywise Chessboard Library From Scratch Chess & study
· 8 min
№48 27 Aug Kafka Rejects Records Over 1 MB. LLM Spans Do Not Care. Devlog
· 7 min
· Rebuilding an Ingestion Pipeline · Part 3 №47 24 Aug Learn Backward. Act Forward. Notes on practice
· 4 min
· The Next Move · Part 4 №46 20 Aug We Put Full-Text Search in PostgreSQL, Then ClickHouse. Both Were the Wrong Place. Devlog
· 6 min
· Rebuilding an Ingestion Pipeline · Part 2 №45 17 Aug Begin Again Without Pretending Nothing Happened Notes on practice
· 5 min
· The Next Move · Part 3 №44 13 Aug PostgreSQL Was Down Again: Rebuilding LLM Trace Ingestion Devlog
· 12 min
· Rebuilding an Ingestion Pipeline · Part 1 №43 10 Aug The Discipline of Returning Notes on practice
· 6 min
· The Next Move · Part 2 №42 6 Aug GitHub Stacked Pull Requests: What Changed in Preview Systems & tooling
· 10 min
· Stacked Pull Requests · Part 1 №41 3 Aug You Are Only as Good as Your Next Pass Notes on practice
· 5 min
· The Next Move · Part 1 №40 1 Aug TDD in the Age of AI: Who Tests the Tests? Software design & testing
· 8 min
· TDD & Software Design · Part 8 №39 31 Jul Building a Custom OpenTelemetry Collector in Go Go & concurrency
· 7 min
· Production Go Service Patterns · Part 3 №38 29 Jul The Result Pattern: Why I Stopped Throwing Exceptions Software design & testing
· 10 min
· TDD & Software Design · Part 7 №37 27 Jul How I Use Three Questions to Unstick Hard Decisions Notes on practice
· 5 min
№36 26 Jul I Stopped Mocking Everything in TDD Software design & testing
· 12 min
· TDD & Software Design · Part 6 №35 24 Jul Three Ways to Instrument Go with OpenTelemetry Go & concurrency
· 6 min
· Production Go Service Patterns · Part 2 №34 22 Jul 3 Lessons from The Code of the Extraordinary Mind Notes on practice
· 4 min
№33 21 Jul DDD Aggregate Boundaries and Persistence in TypeScript Software design & testing
· 9 min
· TDD & Software Design · Part 5 №32 18 Jul OpenTelemetry Go Compile-Time with otelc Go & concurrency
· 14 min
· Production Go Service Patterns · Part 1 №31 16 Jul Repository Updates in TypeScript: Locks and Optimistic Concurrency Software design & testing
· 8 min
· TDD & Software Design · Part 4 №30 10 Jul Beyond Unicorn: Why I Code-Gen Instead of Emulating Projects
· 6 min
· Projects · Part 4 №29 8 Jul Go Concurrency Patterns: A Practical Reading Order Go & concurrency
· 3 min
· Go Patterns · Part 0 №27 7 Jul TypeScript DDD Aggregates & Repositories Software design & testing
· 15 min
· TDD & Software Design · Part 3 №28 7 Jul Building a Native x64-to-C# Transpiler: Why I Built Alicorn Projects
· 3 min
· Projects · Part 3 №25 4 Jul Context and Cancellation in Go: Stopping Work That Shouldn't Have Started Go & concurrency
· 7 min
· Go Patterns · Part 5 №26 4 Jul Go Goroutines vs C# async/await: Who Carries the Cognitive Load? Go & concurrency
· 11 min
· Go Patterns · Part 9 №24 30 Jun Value Objects & Entities in TypeScript: Building Blocks That Can't Break Software design & testing
· 15 min
· TDD & Software Design · Part 2 №23 24 Jun Beyond PGN: Designing an Ultra-Efficient Chess Storage Format Chess & study
· 13 min
№22 19 Jun Beyond Minimalism: A Japanese-Inspired UX for the Web Design & culture
· 8 min
· UX Japan · Part 3 №20 5 Jun How to Merge PGN Files in F#: Streaming, Performance, and Discriminated Unions Projects
· 3 min
· Projects · Part 2 №21 5 Jun What Western UX Can Learn from Japanese Web Design Design & culture
· 6 min
· UX Japan · Part 2 №19 31 May Why Japanese Websites Look Overloaded: Density, Tokyo, and Trust Design & culture
· 6 min
· UX Japan · Part 1 №18 24 May TDD Isn't About Bugs — It's Your Permission to Refactor Software design & testing
· 7 min
· TDD & Software Design · Part 1 №17 4 May Docker 29 + Traefik: Fix “Client Version 1.24 Is Too Old” Systems & tooling
· 5 min
№16 30 Apr Why I Built ZaString Projects
· 5 min
· Projects · Part 1 №15 27 Apr Generic Methods Coming to Go Go & concurrency
· 10 min
№14 26 Apr I Write, I Code, I Explore — Why Verbs, Not Nouns Notes on practice
· 3 min
№13 24 Apr Go Pipeline Pattern: Turning Streams into Useful Data Go & concurrency
· 6 min
· Go Patterns · Part 4
2024
7 entries
№12 12 Dec Flexible Approaches to Worker Pools in Go Go & concurrency
· 3 min
· Go Patterns · Part 6 №11 10 Dec Go Worker Pool Pattern: Examples, Channels, and Shutdown Go & concurrency
· 8 min
· Go Patterns · Part 3 №10 6 Dec Advanced Generator Patterns in Go: Test Data and Streams Go & concurrency
· 5 min
· Go Patterns · Part 10 №09 3 Dec Generator Pattern in Go: Lazy Sequences with Channels Go & concurrency
· 4 min
· Go Patterns · Part 2 №08 2 Dec Producer-Consumer in Go: Beyond the Basics Go & concurrency
· 3 min
· Go Patterns · Part 7 №07 30 Nov Understanding the Producer-Consumer Pattern in Go Go & concurrency
· 3 min
· Go Patterns · Part 1 №06 17 May My Experience at the Karen Asrian Memorial Tournament Chess & study
· 2 min
2023
4 entries
№05 9 Aug Solving the Sum of Squares Problem: Optimizing Performance Go & concurrency
· 7 min
· Go Patterns · Part 8 №04 28 Apr Upgrading to dnf5: A step-by-step guide for Fedora users Systems & tooling
· 2 min
№02 11 Jan Merge Sort using Goroutines Go & concurrency
· 4 min
№03 11 Jan Goroutine vs Simple function Go & concurrency
· 6 min