[API reference](https://evolu.dev/docs/api-reference) › [@evolu/sqlite-wasm](https://evolu.dev/docs/api-reference/sqlite-wasm) › sahPoolHeaderPathSize

```ts
const sahPoolHeaderPathSize: 512 = 512;
```

Defined in: [packages/sqlite-wasm/src/SahPool.ts:1264](https://github.com/evoluhq/evolu/blob/bc4578a260dd15d5bbf94b83765ca05984d194cb/packages/sqlite-wasm/src/SahPool.ts#L1264)

The bytes reserved for the NUL-padded path at the start of the header.