Re: the number of pending entries in GIN index with FASTUPDATE=on

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От Robert Haas
Тема Re: the number of pending entries in GIN index with FASTUPDATE=on
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Msg-id CA+Tgmob1SfvFd6H_Hk1YepOOsrece7Fa-KkjaWqXaRaX4stu3g@mail.gmail.com
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Ответ на the number of pending entries in GIN index with FASTUPDATE=on  (Fujii Masao <masao.fujii@gmail.com>)
Ответы Re: the number of pending entries in GIN index with FASTUPDATE=on  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
On Fri, Nov 2, 2012 at 12:48 PM, Fujii Masao <masao.fujii@gmail.com> wrote:
> Is there the way to know the number of pending entries in GIN index which
> was created with FASTUPDATE = on? If not, is it worth implementing the
> function returning that number?
>
> I sometimes would like to know that number when I measure how much
> pending entries affect the performance of GIN index scan and tune how
> frequently autovacuum should run VACUUM to clean up them.

Seems useful to me.

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



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