Re: BUG #15115: temporary AND unlogged tables for parallel db import

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От Enno Wein
Тема Re: BUG #15115: temporary AND unlogged tables for parallel db import
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Msg-id 33a6e05e-5dee-856e-d2a3-427eb190cc1e@yahoo.com
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Ответ на Re: BUG #15115: temporary AND unlogged tables for parallel db import  (Andrew Gierth <andrew@tao11.riddles.org.uk>)
Ответы Re: BUG #15115: temporary AND unlogged tables for parallel db import
Re: BUG #15115: temporary AND unlogged tables for parallel db import
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I think you made that clear :-)

However, it doesn't seem to work like that. Even with ONLY either
unlogged (the global ones) and temprorary tables (the local ones), the
system still produces a huge amount of WAL/checkpoint writes. In fact,
the "wal-writer" and "checkpoint" processes are the biggest writers in
the system. checkpoint process uses up to 9GB of Ram and wal produces
more writes than any other process.




On 3/16/18 07:31, Andrew Gierth wrote:
>>>>>> "Enno" == Enno Wein <ennowein@yahoo.com> writes:
> 
>  Enno> This is an enhancement request to enable having tables which are
>  Enno> both temporary and unlogged.
> 
> ALL TEMPORARY TABLES ARE ALREADY UNLOGGED.
> ==========================================
> 
> I don't know how to make this any clearer.
> 


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