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configure-the-fill-factor-server-configuration-option.md

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title Configure the fill factor Server Configuration Option | Microsoft Docs
description Learn about the fill factor option. See how to configure it to specify the percentage of space on each leaf-level page that SQL Server fills with data.
ms.custom
ms.date 03/02/2017
ms.prod sql
ms.prod_service high-availability
ms.reviewer
ms.technology configuration
ms.topic conceptual
helpviewer_keywords
fill factor option [SQL Server]
ms.assetid b920ec34-ba8b-4bb8-af53-a3ffd06bafa6
author markingmyname
ms.author maghan

Configure the fill factor Server Configuration Option

[!INCLUDE SQL Server]

This topic describes how to configure the fill factor server configuration option in [!INCLUDEssCurrent] by using [!INCLUDEssManStudioFull] or [!INCLUDEtsql]. Fill factor is provided for fine-tuning index data storage and performance. When an index is created or rebuilt, the fill-factor value determines the percentage of space on each leaf-level page to be filled with data, reserving the rest as free space for future growth. For more information, see Specify Fill Factor for an Index.

In This Topic

Before You Begin

Recommendations

  • This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDEssNoVersion] professional.

Security

Permissions

Execute permissions on sp_configure with no parameters or with only the first parameter are granted to all users by default. To execute sp_configure with both parameters to change a configuration option or to run the RECONFIGURE statement, a user must be granted the ALTER SETTINGS server-level permission. The ALTER SETTINGS permission is implicitly held by the sysadmin and serveradmin fixed server roles.

Using SQL Server Management Studio

To configure the fill factor option

  1. In Object Explorer, right-click a server and select Properties.

  2. Click the Database Settings node.

  3. In the Default index fill factor box, type or select the index fill factor that you want.

Using Transact-SQL

To configure the fill factor option

  1. Connect to the [!INCLUDEssDE].

  2. From the Standard bar, click New Query.

  3. Copy and paste the following example into the query window and click Execute. This example shows how to use sp_configure to set the value of the fill factor option to 100.

Use AdventureWorks2012;  
GO  
sp_configure 'show advanced options', 1;  
GO  
RECONFIGURE;  
GO  
sp_configure 'fill factor', 100;  
GO  
RECONFIGURE;  
GO

For more information, see Server Configuration Options (SQL Server).

Follow Up: After you configure the fill factor option

The server must be restarted before the setting can take effect.

See Also

RECONFIGURE (Transact-SQL)
ALTER INDEX (Transact-SQL)
CREATE INDEX (Transact-SQL)
Specify Fill Factor for an Index
Server Configuration Options (SQL Server)
sp_configure (Transact-SQL)
sys.indexes (Transact-SQL)