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 SQL Server Administration (2005)
 High CPU load on service start for approx 10 mins

Author  Topic 

james75
Starting Member

2 Posts

Posted - 2008-03-12 : 20:06:21
This has been driving me crazy.

First noticed it when I went from JIT compiling of my .net app to pre-compiled via the command prompt, although I can't see that that's go anything to do with it...

My database is around 2gb and I'm using service broker.

If I drop a new version of my app into production, sqlserver.exe goes nuts and eats up the cpu.

Tonight, I stopped IIS and SQL Server, then dropped a new version in. I hadn't re-started IIS at this point... As soon as I started SQL Server, off it went again - eating up the CPU. I quickly launched a trace via the Profiler - no activity showing.

So, I started IIS after a couple of mins (still with the high cpu) and then just waited. After about 10 mins, SQL Server settled down and everything was normal again.

What is it doing when I start the SQL Server service?

Si

james75
Starting Member

2 Posts

Posted - 2008-03-12 : 20:08:46
Couple of things I forgot to mention...

I'm using Win2003 64-bit, 64-bit sql server standard ed.

If I run up FileMon (sysInternals), I see masses of READS against my database file. Remember, this is even when no clients are connected and IIS is stopped...
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rmiao
Master Smack Fu Yak Hacker

7266 Posts

Posted - 2008-03-12 : 22:52:18
Use sp_who2 to check how many connections in sql.
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