Re: Transaction ID wraparound: problem and proposed solution

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От Mark Hollomon
Тема Re: Transaction ID wraparound: problem and proposed solution
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Msg-id 00110613091900.00324@jupiter
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Ответ на Re: Transaction ID wraparound: problem and proposed solution  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Sunday 05 November 2000 13:02, Tom Lane wrote:
> OK, 2^64 isn't mathematically unbounded, but let's see you buy a disk
> that will hold it ;-).  My point is that if we want to think about
> allowing >4G transactions, part of the answer has to be a way to recycle
> pg_log space.  Otherwise it's still not really practical.

I kind of like vadim's idea of segmenting pg_log. 

Segments in which all the xacts have been commited could be deleted.

-- 
Mark Hollomon


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