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 SQL Server Administration (2005)
 SUSPENDED processes		  Reply to Topic
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venkath
Posting Yak Master

India
202 Posts
Posted - 04/01/2008 :  06:24:34  Show Profile  Reply with Quote
Hi All

When i see the result of Sp_who2, i see the status of a process as
"SUSPENDED" for some of the processes like logwriter, checkpoint etc.
and also found the same status for "IF @@TRANCOUNT>0 COMMIT TRAN"

Please let me know what does it mean in the context of SQL 2005

Thanks in advance.

nr
SQLTeam MVY

United Kingdom
12543 Posts
Posted - 04/01/2008 :  06:32:45  Show Profile  Visit nr's Homepage  Reply with Quote
Do you have the latest service pack? There have been a number of fixes for parallelism problems which can end up with suspended processes.
It usually means that the process is waiting for something to happen so may also be a valid state.
For the logwriter and checkpoint it's probably waiting to be kicked off again so not a problem.

==========================================
Cursors are useful if you don't know sql.
DTS can be used in a similar way.
Beer is not cold and it isn't fizzy.
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venkath
Posting Yak Master

India
202 Posts
Posted - 04/01/2008 :  06:38:28  Show Profile  Reply with Quote
select serverproperty('productlevel'),serverproperty('edition'),
serverproperty('productversion')

I got the following values for the above query. What is the latest service pack for sql 2005.

SP2
Developer Edition (64-bit)
9.00.3042.00

Please let me know

Thanks.
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nr
SQLTeam MVY

United Kingdom
12543 Posts
Posted - 04/01/2008 :  06:39:27  Show Profile  Visit nr's Homepage  Reply with Quote
That lokos ok.
Are the suspended processes causing a problem?

==========================================
Cursors are useful if you don't know sql.
DTS can be used in a similar way.
Beer is not cold and it isn't fizzy.
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venkath
Posting Yak Master

India
202 Posts
Posted - 04/01/2008 :  07:12:16  Show Profile  Reply with Quote
We are experiencing Dead locks on the datbase frequently. but i would like to know why it displays process status as "SUSPENDED". I believe suspended processes will also increase tempdb size.
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rmiao
Flowing Fount of Yak Knowledge

USA
7266 Posts
Posted - 04/01/2008 :  23:28:02  Show Profile  Reply with Quote
SUSPENDED means the process is waiting for resource like disk i/o.
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venkath
Posting Yak Master

India
202 Posts
Posted - 04/02/2008 :  09:27:51  Show Profile  Reply with Quote
we are exeperiencing frequent dead locks on the databases . Each database has 9 file groups in it and all data and log files are placed in D drive (RAID 5). Is there any wrong with the above configuration? Most of the time i see the SUSPENDED status for the commands "IF @@TRANCOUNT>0 COMMIT TRAN". which means waiting for I/O

Can you please suggest whether above configuration is causing dead locks and if yes can you please suggest the alternatives.

Thanks
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rmiao
Flowing Fount of Yak Knowledge

USA
7266 Posts
Posted - 04/02/2008 :  23:07:20  Show Profile  Reply with Quote
Better to put log file on its own raid 1 disk.
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nr
SQLTeam MVY

United Kingdom
12543 Posts
Posted - 04/03/2008 :  06:39:01  Show Profile  Visit nr's Homepage  Reply with Quote
Did you write everything in-house?
If so you should review what was done - it sounds like it's not implemented to avoid deadlocks and blocking.

==========================================
Cursors are useful if you don't know sql.
DTS can be used in a similar way.
Beer is not cold and it isn't fizzy.
Go to Top of Page
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