Re: stats_command_string default?

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От Christopher Kings-Lynne
Тема Re: stats_command_string default?
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Msg-id 005601c2d624$60658d70$6500a8c0@fhp.internal
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Ответ на stats_command_string default?  (Kevin Brown <kevin@sysexperts.com>)
Ответы Re: stats_command_string default?
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> Averaging over three trials on an unloaded system, I got 21.0 seconds
> with stats_command_string off, 27.7 with it on, or about 32% overhead.
>
> My conclusion is that stats_command_string overhead is non-negligible
> for simple commands.  So I stand by my previous opinion that it should
> not be turned on without the DBA taking explicit action to turn it on.
> Do you want it on in every future benchmark, for example?

How about with the stats_collector on?  ie. Recording block and row level
stats?

Chris



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