Re: TODO : Allow parallel cores to be used by vacuumdb [ WIP ]

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От Euler Taveira
Тема Re: TODO : Allow parallel cores to be used by vacuumdb [ WIP ]
Дата
Msg-id 52D7EB46.6030504@timbira.com.br
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Ответ на Re: TODO : Allow parallel cores to be used by vacuumdb [ WIP ]  (Dilip kumar <dilip.kumar@huawei.com>)
Ответы Re: TODO : Allow parallel cores to be used by vacuumdb [ WIP ]  (Alvaro Herrera <alvherre@2ndquadrant.com>)
Re: TODO : Allow parallel cores to be used by vacuumdb [ WIP ]  (Dilip kumar <dilip.kumar@huawei.com>)
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On 08-11-2013 06:20, Dilip kumar wrote:
> On 08 November 2013 13:38, Jan Lentfer
> 
> 
>> For this use case, would it make sense to queue work (tables) in order of their size, starting on the largest one?
> 
>> For the case where you have tables of varying size this would lead to a reduced overall processing time as it
preventslarge (read: long processing time) tables to be processed in the last step. While processing large tables at
firstand filling up "processing slots/jobs" when they get free with smaller tables one after the other would safe
overallexecution time.
 
> Good point, I have made the change and attached the modified patch.
> 
Don't you submit it for a CF, do you? Is it too late for this CF?


--   Euler Taveira                   Timbira - http://www.timbira.com.br/  PostgreSQL: Consultoria, Desenvolvimento,
Suporte24x7 e Treinamento
 



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