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SQL Server 2008
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SQL Server 2008 Administration
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'priority boost' server option
'priority boost' server option
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opc.three
opc.three
Posted Thursday, February 21, 2013 11:39 AM
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Last Login: Today @ 9:35 AM
Points: 6,713,
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I just ran across an instance with the
priority boost
server option enabled. The
Books Online article for the server option
clearly states that they would prefer no one enable this option. Similarly there are many independent resources online recommending the same, one even showing a way to potentially crash the server by issuing a specific type of query that may require an overly high amount of CPU cycles. That said, the option is already enabled and the server has been otherwise free from issues directly attributable to this option being enabled (that I know of) since at least May. I was curious if anyone would be willing to share their experience using this option, or possibly having inherited an instance that had it enabled and then disabled it. Thanks.
__________________________________________________________________________________________________
There are no special teachers of virtue, because virtue is taught by the whole community.
--Plato
Believe you can and you're halfway there.
--Theodore Roosevelt
Everything Should Be Made as Simple as Possible, But Not Simpler
--Albert Einstein
The significant problems we face cannot be solved at the same level of thinking we were at when we created them.
--Albert Einstein
1 apple is not exactly 1/8 of 8 apples. Because there are no absolutely identical apples.
--Giordy
Post #1422734
raadee
raadee
Posted Thursday, February 21, 2013 1:06 PM
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Group: General Forum Members
Last Login: Today @ 7:16 AM
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Hi,
I've inherited priority boost a number of times (im a consultant) and every time the DBA/Techie that turned that option on
did it without knowing what it does. "It sounded like a great feature".
So far i've blindly followed Microsoft (and everyone else) instructions and just turned it off. Have not measured any impact afterwards.
Never had a problem when turning it off (SQL 2005, SQL 2008 and 2008 R2).
Post #1422764
GilaMonster
GilaMonster
Posted Thursday, February 21, 2013 1:59 PM
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Last Login: Today @ 9:46 AM
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I recommend you turn it off. On a server with nothing other than SQL it will provide no benefit as there's nothing to boost SQL's priority over and you run the small risk that with the higher priority SQL could take precedence over the OS and cause problems.
Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild
: Discussions on DB performance with occasional diversions into recoverability
We walk in the dark places no others will enter
We stand on the bridge and no one may pass
Post #1422784
opc.three
opc.three
Posted Thursday, February 21, 2013 5:15 PM
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Group: General Forum Members
Last Login: Today @ 9:35 AM
Points: 6,713,
Visits: 11,746
I just disabled it in dev and qa and restarted the sql server service and it will be disabled in production before the next scheduled maintenance that requires a service restart. Thanks for the feedback.
__________________________________________________________________________________________________
There are no special teachers of virtue, because virtue is taught by the whole community.
--Plato
Believe you can and you're halfway there.
--Theodore Roosevelt
Everything Should Be Made as Simple as Possible, But Not Simpler
--Albert Einstein
The significant problems we face cannot be solved at the same level of thinking we were at when we created them.
--Albert Einstein
1 apple is not exactly 1/8 of 8 apples. Because there are no absolutely identical apples.
--Giordy
Post #1422826
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