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Overview
I’m Ruslan Tolkachev. I help engineering teams ship and operate database-heavy systems that don’t fall over at scale. MySQL, PostgreSQL, Kafka, Elasticsearch, and Redis in production, and the operational discipline around them.\nEvery database works fine at hello world.
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Before the Bad Write
Here is a drill for your next DR review: remove one bad write from six weeks ago without throwing away the six weeks of legitimate writes that landed on top of it. The full checklist fails it, backups, PITR, hot replica, delayed replica, all of it. The la
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Death by a Thousand Cuts: the AI Database Failure You Can
In February 2025 a Wyoming court sanctioned three lawyers for a motion citing nine cases, eight of them invented by the firm
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Designing Partitioning You Don
Six months in, p_future holds 800M rows because the growth projection didn
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