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Note on Pool for node-postgres #23120

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Jun 19, 2025
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Note on Pool for node-postgres #23120

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6 changes: 6 additions & 0 deletions src/content/partials/hyperdrive/use-node-postgres-to-make-query.mdx
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Expand Up @@ -62,3 +62,9 @@ export default {
},
};
```

:::note

If you expect to be making multiple parallel database queries within a single Worker invocation, consider using a [connection pool (`pg.Pool`)](https://node-postgres.com/apis/pool) to allow for parallel queries. If doing so, set the max connections of the connection pool to 5 connections. This ensures that the connection pool fits within Workers' concurrent open connections limit of 6, which affect TCP connections that database drivers use.

:::