Re: How should the correct value of shmmax be calculated for DWH(OLAP) server

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От Laurenz Albe
Тема Re: How should the correct value of shmmax be calculated for DWH(OLAP) server
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Msg-id 54f17ea619c4a0d74f8ecc71d91d8862162aa5c2.camel@cybertec.at
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Ответ на Re: How should the correct value of shmmax be calculated for DWH(OLAP) server  ("Gunnar \"Nick\" Bluth" <gunnar.bluth@pro-open.de>)
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Gunnar "Nick" Bluth wrote:
> Am 15.10.2018 um 09:43 schrieb Laurenz Albe:
> > Shukla, Sumeet wrote:
> >> Can someone please help me determine the appropriate value of kernel shmmax
> >> parameter for PostgreSQL configured for Data Warehouse use?
> > 
> > Simple. Set it to anything bigger than your "shared_buffers" setting.
> > If PostgreSQL manages to start, your setting is big enough.
> > 
> 
> As a matter of fact, you shouldn't need to set SHMMAX anyway, unless you
> tampered with "dynamic_shared_memory_type" or you are on a very exotic
> OS ;-)

True, I was living in the past.  Thanks for the correction.

Yours,
Laurenz Albe
-- 
Cybertec | https://www.cybertec-postgresql.com



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