BI SQL # 179 : SQL Server DBA Scripts : Log Growth Rate
Hi Folks,
In this article we are going to cover How to Log Growth Rate.
In this post we are going to discuss following points:
- Problem Statement of SQL Script:
- Description of SQL Script:
- SQL Script Output Column
- SQL Script Code
- SQL Script Output Screenshot
- User Level to execute
Problem Statement of SQL Script:
Get log growth rate of all database and types.
Description of SQL Script:
This Transact-SQL script will help in Check\maintain log growth rate of all database and types.
SQL Script Output Column
SQL Script Code
WITH logs AS ( SELECT DB.NAME AS DatabaseName ,MAX(DB.recovery_model_desc) AS RecoveryModel ,SUM(size * 8) AS TotalSizeKB ,SUM(CASE WHEN MF.is_percent_growth = 0 THEN MF.growth ELSE MF.size * MF.growth / 100 END * 8) AS TotalGrowthKB FROM sys.master_files AS MF INNER JOIN sys.databases AS DB ON MF.database_id = DB. database_id WHERE MF.[type] = 1 GROUP BY DB.NAME ) ,total AS ( SELECT OPC.[cntr_value] AS TotalCounter FROM sys.dm_os_performance_counters AS OPC WHERE OPC.[object_name] LIKE N'%SQL%:Databases%' AND OPC.[counter_name] = N'Log Growths' AND OPC.[instance_name] = N'_Total' ) ,growth AS ( SELECT OPC.[instance_name] AS DatabaseName ,OPC.[cntr_value] AS Growths FROM sys.dm_os_performance_counters AS OPC WHERE OPC.[object_name] LIKE N'%SQL%:Databases%' AND OPC.[counter_name] = N'Log Growths' AND OPC.[instance_name] <> N'_Total' ) ,shrinks AS ( SELECT OPC.[instance_name] AS DatabaseName ,OPC.[cntr_value] AS Shrinks FROM sys.dm_os_performance_counters AS OPC WHERE OPC.[object_name] LIKE N'%SQL%:Databases%' AND OPC.[counter_name] = N'Log Shrinks' AND OPC.[instance_name] <> N'_Total' ) SELECT logs.DatabaseName ,logs.RecoveryModel ,logs.TotalSizeKB ,logs.TotalGrowthKB ,shrinks.Shrinks ,growth.Growths ,CONVERT(DECIMAL(38, 2), CASE WHEN total.TotalCounter = 0 THEN 0.0 ELSE 100.0 * growth.Growths / total.TotalCounter END) AS [GrowthRate %] FROM logs INNER JOIN growth ON logs.DatabaseName = growth.DatabaseName INNER JOIN shrinks ON logs.DatabaseName = shrinks.DatabaseName CROSS JOIN total ORDER BY [GrowthRate %] DESC ,logs.DatabaseName ASC;
SQL Script Output Screenshot
User Level to execute
300
Hope you will like How to Log Growth Rate.
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