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Habib Yusuf's blogs
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Building a Buffer Pool: Why Your Database Shouldn't Talk to Disk Directly
2d ago · 14 min read · HozonDB is a relational database engine I'm building from scratch in Rust, mostly as a way to actually understand how databases work instead of just using them. Previous posts covered slotted page sto
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How I Rebuilt HozonDB's Storage Layer to Make Indexes Actually Work
May 20 · 11 min read · When I started building HozonDB — a relational database engine from scratch in Rust — I made a deliberate choice to keep the storage model simple. Pages, rows packed one after another, a pointer to th
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Understanding Pin<T> in Rust
Dec 23, 2025 · 3 min read · While exploring the Apache DataFusion codebase, I came across this line: Box::pin(opt.run()).await I understood Box and .await, but Pin was still fuzzy for me. So I decided to dig deeper and write about it. Here's what I learned. First: What Does "M...
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