Re: BUG #14941: Vacuum crashes

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От Robert Haas
Тема Re: BUG #14941: Vacuum crashes
Дата
Msg-id CA+TgmoY3Azn-6cuuuV7KSJ=eFErJiVpyzUXEQF6J32aCzLLkHg@mail.gmail.com
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Ответ на Re: BUG #14941: Vacuum crashes  ("Bossart, Nathan" <bossartn@amazon.com>)
Ответы Re: BUG #14941: Vacuum crashes  ("Bossart, Nathan" <bossartn@amazon.com>)
Re: BUG #14941: Vacuum crashes  ("Bossart, Nathan" <bossartn@amazon.com>)
Список pgsql-hackers
On Fri, Dec 1, 2017 at 1:53 PM, Bossart, Nathan <bossartn@amazon.com> wrote:
> There is already an internal flag called VACOPT_NOWAIT that gives
> autovacuum this ability in certain cases (introduced in the aforementioned
> commit), and I recently brought up this potential use-case as
> justification for a patch [0].  I'd be happy to submit a patch for
> providing VACOPT_NOWAIT to users if others think it's something we should
> do.

Seems entirely reasonable to me, provided that we only update the
extensible-options syntax:

VACUUM [ ( option [, ...] ) ] [ table_and_columns [, ...] ]

I don't want to add any more options to the older syntax:

VACUUM [ FULL ] [ FREEZE ] [ VERBOSE ] [ ANALYZE ] [ table_and_columns [, ...] ]

I am slightly confused as to how we got on to this topic since the
subject is "Vacuum crashes", but perhaps Lyes was simply speaking
imprecisely.

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


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