Re: Dynamic Partitioning using Segment Visibility Maps

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От Markus Schiltknecht
Тема Re: Dynamic Partitioning using Segment Visibility Maps
Дата
Msg-id 477F5838.7010904@bluegap.ch
обсуждение исходный текст
Ответ на Re: Dynamic Partitioning using Segment Visibility Maps  (Andrew Sullivan <ajs@crankycanuck.ca>)
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Andrew Sullivan wrote:
> On Fri, Jan 04, 2008 at 10:26:54PM +0100, Markus Schiltknecht wrote:
>> I'm still puzzled about how a DBA is expected to figure out which 
>> segments to mark. 
> 
> I think that part might be hand-wavy still.  But once this facility is
> there, what's to prevent the current active segment (and the rest) from also
> getting this mark, which would mean "the table is read only"?  

Well, sure, marking *all* segments read-only is pretty easy. But that 
was not quite my point.

Regards

Markus



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