Re: [HACKERS] increasing the default WAL segment size

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От Robert Haas
Тема Re: [HACKERS] increasing the default WAL segment size
Дата
Msg-id CA+TgmoZMOz_9kNYGf5zZRC2_XhhEoQ2+stRP1CNC+=Ua2CXDHA@mail.gmail.com
обсуждение исходный текст
Ответ на Re: [HACKERS] increasing the default WAL segment size  (David Steele <david@pgmasters.net>)
Ответы Re: [HACKERS] increasing the default WAL segment size  (Stephen Frost <sfrost@snowman.net>)
Список pgsql-hackers
On Mon, Mar 20, 2017 at 7:23 PM, David Steele <david@pgmasters.net> wrote:
> With 16MB WAL segments the filename neatly aligns with the LSN.  For
> example:
>
> WAL FILE 0000000100000001000000FE = LSN 1/FE000000
>
> This no longer holds true with this patch.

It is already possible to change the WAL segment size using the
configure option --with-wal-segsize, and I think the patch should be
consistent with whatever that existing option does.

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



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