Thoughts, ideas, and things I find interesting.
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Mar 24, 2026Loose notes from the month. Nothing long enough to be its own post.
Jul 8, 2026B-trees update in place. LSM-trees never do. That single difference explains most of the performance gap on write-heavy workloads.
Jun 15, 2026You can measure how orthogonal a codebase is by counting the files in an average pull request.
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Mar 24, 2026A prototype answers a question and gets thrown away. A tracer bullet answers the same question and stays in the build.
Mar 19, 2026Read-your-writes, monotonic reads, consistent prefix. Three guarantees that sound like the same guarantee and are not.
Feb 3, 2026