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 Query Governor

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mikebird
Aged Yak Warrior

529 Posts

Posted - 2010-08-01 : 04:38:31

It looks like a very simple way to set the cost limit by way of seconds for the time taken to run a query or by rowcount?

This has been a problem for me in the past when I run something overnight taking many hours and running out of resources completely, and causing ridiculous trouble preventing several scheduled processes...

Maybe it's subjective do decide on a server policy on which query to limit, but this seems to just not work, at all? If I do something simple like a table scan which takes about 3 minutes, and a good test because it doesn't get indexes to kick in and run from a cache, taking less than a second, this repeatedly takes 3 minutes, each time. Also 10,xxx,xxx rows in 5:52

However, if I set the query governor on the server properties --> Connections OR the Tools menu --> Options... query execution area to 10 seconds in ..COST_LIMIT, it all just keeps running the usual time. So that makes this completely useless!

What can you tell me about that?

Thanks
Mike

mikebird
Aged Yak Warrior

529 Posts

Posted - 2010-08-01 : 04:44:54
OK

I see it's about Resource Pool in Management... I was barking up the wrong tree googling this stuff from 2000 old stuff?
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mikebird
Aged Yak Warrior

529 Posts

Posted - 2010-08-01 : 04:50:20
Still doing exactly the same thing, though! Lovely window, but simply change CPU time from 0 to 5 sec, and off it goes... 5 minute execution until it's finished!

There must be subtle bits to setting this, so I'm waiting on your expert advice...
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mikebird
Aged Yak Warrior

529 Posts

Posted - 2010-08-01 : 05:17:39
My reconfiguration is pending.... great. That would be wonderful, waiting for that to achieved, while queries run crazy, crashing the system...
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