The Quiet Bottleneck in Your Symfony App: Fragmented Indexes and Random UUIDs

30/11/2025 9 min
The Quiet Bottleneck in Your Symfony App: Fragmented Indexes and Random UUIDs

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This story was originally published on HackerNoon at: https://hackernoon.com/the-quiet-bottleneck-in-your-symfony-app-fragmented-indexes-and-random-uuids.
Random UUIDs silently fragment your database and slow down inserts. Learn how UUID v7, ULIDs, and Symfony’s Uid component dramatically boost performance.
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Random UUIDs silently fragment your database and slow down inserts. Learn how UUID v7, ULIDs, and Symfony’s Uid component dramatically boost performance.


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