> ## Documentation Index
> Fetch the complete documentation index at: https://docs.e6data.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Table storage

> table_storage

ReferenceApplies to: Unified engine deployments

`[table_storage]`

The backend and prefix are computed from `storage_root`. Files are stored under `tables/`. See [storage](https://docs.e6data.com/transformation/operations/configuration/storage.md).

## Settings

### `options.part_bytes`

Sets the amount of data in a storage transfer part.

* **Default:** `8388608`
* **Type:** integer (bytes); positive

> **Example**
>
> `8388608` chooses 8 MiB transfer parts. It does not mean the engine writes 8 MiB Parquet files.


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