Comments on: SQL SERVER – Demo Script – Keeping CPU Busy

By: prarajesh

prarajesh — Mon, 13 May 2013 11:25:50 +0000

Interesting scripts. But I want to know is there any script to know the CPU is idle since 10 minutes.Anyone please.

By: SQL SERVER – Weekly Series – Memory Lane – #019 | SQL Server Journey with SQL Authority

Sat, 09 Mar 2013 01:31:55 +0000

[...] Demo Script – Keeping CPU Busy In year 2011 I wrote a blog post where I explained how I can keep the CPU busy and can endanger your job. In year 2013 right after 2 years of writing original script I updated my script and wrote a new blog post where I explained how to keep our CPU busy efficiently. [...]

By: SQL SERVER – T-SQL Script to Keep CPU Busy | SQL Server Journey with SQL Authority

Fri, 22 Feb 2013 01:30:55 +0000

[...] I quickly searched for this query, I end up on my old blog post over here Demo Script – Keeping CPU Busy. However, my earlier script had a small problem – along with the CPU it was also increasing [...]

By: Ramdas

Ramdas — Thu, 03 Mar 2011 16:12:58 +0000

Interesting scripts, I guess Looping operations in T-SQL would increase CPU Activity.

By: Geri Reshef

Geri Reshef — Thu, 03 Mar 2011 13:18:08 +0000

My contribution:

Declare @T DateTime,
@F Bigint;
Set @T=GetDate();
While DATEADD(Second,180,@T)>GETDATE()
Set @F=POWER(2,30);

I reached 50% in SQL Server Activity Monitor
And 100% in Windows Task Manager.

By: aasim abdullah

aasim abdullah — Thu, 03 Mar 2011 09:53:25 +0000

Yeah why not

ALTER INDEX [PK_SalesOrderDetail_SalesOrderID_SalesOrderDetailID]
ON [Sales].[SalesOrderDetail] REBUILD
GO 1000

By: aasim abdullah

aasim abdullah — Thu, 03 Mar 2011 09:51:15 +0000

EXEC sp_msForEachDb @command1='IF ''#'' NOT IN (''master'', ''model'', ''msdb'', ''pubs'', ''tempdb'') BEGIN PRINT ''#''; EXEC #.dbo.sp_msForEachTable ''UPDATE STATISTICS ? WITH FULLSCAN'', @command2=''PRINT CONVERT(VARCHAR, GETDATE(), 9) + '''' - ? Stats Updated'''''' END', @replaceChar = '#'

By: Dave Dustin

Dave Dustin — Thu, 03 Mar 2011 05:09:18 +0000

That script you have above will generate CPU and IO activity.

If you only want to max out your CPU for an extended period of time, run the T-SQL mandlebrot script ( http://thedailywtf.com/Articles/Stupid-Coding-Tricks-The-TSQL-Madlebrot.aspx ) with a GO 100 at the end.