Re: Transaction Snapshots and Hot Standby

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От Richard Huxton
Тема Re: Transaction Snapshots and Hot Standby
Дата
Msg-id 48CA532E.8090102@archonet.com
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Ответ на Re: Transaction Snapshots and Hot Standby  (Gregory Stark <stark@enterprisedb.com>)
Ответы Re: Transaction Snapshots and Hot Standby
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Gregory Stark wrote:
> In that case the problem is dealing with different usage patterns on different
> tables. There might be a way to solve just that use case such as deferring WAL
> records for those tables. That doesn't guarantee inter-table data consistency
> if there were other queries which read from those tables and updated other
> tables based on that data though. Perhaps there's a solution for that too
> though.

There was a suggestion (Simon - from you?) of a transaction voluntarily
restricting itself to a set of tables. That would obviously reduce the
impact of all the options where the accessed tables weren't being
updated (where update = vacuum + HOT if I've got this straight).

--  Richard Huxton Archonet Ltd


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