3d ago · 4 min read · import Tabs from '@theme/Tabs'; import TabItem from '@theme/TabItem'; I built a reproducible Next.js rebuild benchmark to answer one question quickly: which build profile is fastest, and did we just introduce a regression? It targets next@16.1.6, run...
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Mar 3 · 6 min read · Profiling and Benchmarking Tools for Developers "Make it work, make it right, make it fast" -- but when it's time for "fast," you need tools that show you where the time actually goes. Guessing at performance bottlenecks is reliably wrong. Profiling ...
Join discussionFeb 10 · 7 min read · In his book Unix: A History and a Memoir, Brian Kernighan recounts his favorite grep story from the early days of Unix. Someone at Bell Labs asked whether it was possible to find English words composed only of the letters formed by an upside-down cal...
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Jan 26 · 11 min read · "I think in terms of programming languages you get the most bang for your buck by learning AWK", said Brian Kernighan, the K in AWK (Lex Fridman podcast #109). AWK was created in Bell Labs in 1977, and its name is derived from the surnames of its au...
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Jan 20 · 7 min read · In the world of AI engineering, it’s easy to get captivated by a model’s raw power. We ask, “Can the AI do this amazing task?” But as we move from experimentation to production, the questions that truly matter become much tougher: “Can we afford to ...
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Nov 13, 2025 · 14 min read · Compaction in detail Phase 1: Distilling Live Data with Map-Reduce The first step of compaction is to figure out which data is still "live" across all the old, inactive segments. We achieve this using the same powerful Map-Reduce pattern employed dur...
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Nov 7, 2025 · 12 min read · When you start building with LLMs, it quickly becomes clear that not all models behave the same. One model may excel at creative writing but struggle with technical precision. Another might be thoughtful yet verbose. A third could be fast and efficie...
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Nov 4, 2025 · 16 min read · The world of distributed systems is a constant battle against the inherent challenges of scale, reliability, and performance. As seasoned engineers, we've navigated countless architectural decisions, often finding ourselves at a crossroads: optimize ...
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