Re: [Testperf-general] Re: 8.0beta5 results w/ dbt2

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От Mark Wong
Тема Re: [Testperf-general] Re: 8.0beta5 results w/ dbt2
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Msg-id 20041207081723.A8521@osdl.org
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Ответ на Re: [Testperf-general] Re: 8.0beta5 results w/ dbt2  (Simon Riggs <simon@2ndquadrant.com>)
Ответы Re: [Testperf-general] Re: 8.0beta5 results w/ dbt2
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On Tue, Dec 07, 2004 at 09:12:18AM +0000, Simon Riggs wrote:
> Not sure, as yet, what is causing effect 2. It's not related to the
> kernel, but is related to user CPU and I/O waits and effects all tables
> in proportion to their overall I/O usage. Some evidence that it becomes
> more pronounced as CPU utilisation peaks, possibly increasing slightly
> in frequency once this occurs: maybe the cache filling?

I never vacuum during the test.  Is it possible that all the updates
and inserts would affect this?

Mark


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