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Re: Shared Memory: How to use SYSV rather than MMAP ? - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Shared Memory: How to use SYSV rather than MMAP ?
Date
Msg-id CA+TgmobOSSB8NQB6kBp+HuH8hBBBXxOAdT7TOxvQ7g6x-5oXpg@mail.gmail.com
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In response to Shared Memory: How to use SYSV rather than MMAP ?  ("REIX, Tony" <tony.reix@atos.net>)
Responses RE: Shared Memory: How to use SYSV rather than MMAP ?
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On Tue, Nov 20, 2018 at 5:11 AM REIX, Tony <tony.reix@atos.net> wrote:
> On AIX, since with MMAP we have only 4K pages though we can have 64K pages with SYSV, we'd like to experiment with
SYSVrather than MMAP and measure the impact to the performance.
 

Are you trying to move the main shared memory segment or the dynamic
shared memory segments?

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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