SPWebService.LargeFileChunkSize property

Gets or sets the maximum amount of data that the front-end Web server writes to the content database in a single write operation.

Namespace:  Microsoft.SharePoint.Administration
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)

public int LargeFileChunkSize { get; set; }

Property value

Type: System.Int32
The maximum number of bytes that can be written in a single operation. The default is 5242880 bytes.

If a user uploads a file that exceeds the value of this property, it will be written to the content database in multiple write operations. The excess data over the limit is stored on the disk of the front-end Web server until it is written to the database.