Re: BUG #13750: Autovacuum slows down with large numbers of tables. More workers makes it slower.

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От Joe Conway
Тема Re: BUG #13750: Autovacuum slows down with large numbers of tables. More workers makes it slower.
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Msg-id 56D71103.7060500@joeconway.com
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Ответ на Re: BUG #13750: Autovacuum slows down with large numbers of tables. More workers makes it slower.  (Alvaro Herrera <alvherre@2ndquadrant.com>)
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On 03/02/2016 07:35 AM, Alvaro Herrera wrote:
> David Gould wrote:
>> The following is a summary of strace output for the autovacuum workers
>> and the stats collector while the 40k table test is running. The counts =
and
>> times are the cost per table.
>>
>> postgresql 9.5:   85 tables per minute.
>=20
>> + autovacuum contention patch: 5225 tables per minute
>=20
> Great stuff.  I intend to look at this as a backpatchable bug fix during
> this commitfest.

+1!


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