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    <title>performance on Alex Reid</title>
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      <title>They say you should never write your own database. So what did I do?</title>
      <link>https://alexjreid.dev/posts/data-compiler/</link>
      <pubDate>Fri, 21 Aug 2026 00:00:00 +0000</pubDate>
      
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      <description>To be fair, it&amp;rsquo;s more accurate to say that I wrote a data compiler. Let me explain myself after that unsettlingly clickbaity title&amp;hellip;
I&amp;rsquo;m currently contracted on a project that requires the ingestion and fast serving of public data. This data arrives in huge, unruly CSV and JSON files. The largest is a 30 GB JSON file.
The files describe one-to-many relationships. One record carries many tags and many observations, each with its own set of attributes.</description>
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