Re: WIP patch for parallel pg_dump

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От Andrew Dunstan
Тема Re: WIP patch for parallel pg_dump
Дата
Msg-id 4CF7E125.7050007@dunslane.net
обсуждение исходный текст
Ответ на Re: WIP patch for parallel pg_dump  (Josh Berkus <josh@agliodbs.com>)
Ответы Re: WIP patch for parallel pg_dump  (Josh Berkus <josh@agliodbs.com>)
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On 12/02/2010 12:56 PM, Josh Berkus wrote:
> On 12/02/2010 05:50 AM, Dimitri Fontaine wrote:
>> So the use case of parralel dump in a bunch or user given locations
>> would be to use different mount points (disk subsystems) at the same
>> time.  Not sure how releveant it is.
>
> I think it will complicate this feature unnecessarily for 9.1. 
> Personally, I need this patch so much I'm thinking of backporting it. 
> However, having all the data go to one directory/mount wouldn't 
> trouble me at all.
>
> Now, if only I could think of some way to write a parallel dump to a 
> set of pipes, I'd be in heaven.

The only way I can see that working sanely would be to have a program 
gathering stuff at the other end of the pipes, and ensuring it was all 
coherent. That would be a huge growth in scope for this, and I seriously 
doubt it's worth it.

cheers

andrew


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