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Aug 12, 2025Atharv Singh
I Write code that moves data fast, hits servers hard, and doesn’t cry in production.
Inverted Indexing: The Core Pattern Behind Fast Search
đź’ˇ TL;DR: GitHub's old code search was slow and expensive because it used Elasticsearch, a tool built for human language, not code. It mangled syntax and took months to re-index. They replaced it with a custom-built search engine using a code-specifi...
debouncing-and-githubs-weird-decision.hashnode.dev14 min read
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