Re: Should we increase the default vacuum_cost_limit?

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Joe Conway
Тема
Re: Should we increase the default vacuum_cost_limit?
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241b80ab-7af0-c606-7b2c-b0a5d6be696a@joeconway.com
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Should we increase the default vacuum_cost_limit? David Rowley <david.rowley@2ndquadrant.com>
Re: Should we increase the default vacuum_cost_limit? Darafei "Komяpa" Praliaskouski <me@komzpa.net>
Re: Should we increase the default vacuum_cost_limit? Peter Geoghegan <pg@bowt.ie>
Re: Should we increase the default vacuum_cost_limit? Joe Conway <mail@joeconway.com>
Re: Should we increase the default vacuum_cost_limit? David Rowley <david.rowley@2ndquadrant.com>
Re: Should we increase the default vacuum_cost_limit? Laurenz Albe <laurenz.albe@cybertec.at>
Re: Should we increase the default vacuum_cost_limit? Julien Rouhaud <rjuju123@gmail.com>
Re: Should we increase the default vacuum_cost_limit? Robert Haas <robertmhaas@gmail.com>
Re: Should we increase the default vacuum_cost_limit? Laurenz Albe <laurenz.albe@cybertec.at>
Re: Should we increase the default vacuum_cost_limit? Peter Geoghegan <pg@bowt.ie>
Re: Should we increase the default vacuum_cost_limit? Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: Should we increase the default vacuum_cost_limit? Robert Haas <robertmhaas@gmail.com>
Re: Should we increase the default vacuum_cost_limit? David Rowley <david.rowley@2ndquadrant.com>
Re: Should we increase the default vacuum_cost_limit? Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: Should we increase the default vacuum_cost_limit? Andrew Dunstan <andrew.dunstan@2ndquadrant.com>
Re: Should we increase the default vacuum_cost_limit? Andres Freund <andres@anarazel.de>
Re: Should we increase the default vacuum_cost_limit? Jeremy Schneider <schnjere@amazon.com>
Re: Should we increase the default vacuum_cost_limit? Andrew Dunstan <andrew.dunstan@2ndquadrant.com>
Re: Should we increase the default vacuum_cost_limit? David Rowley <david.rowley@2ndquadrant.com>
Re: Should we increase the default vacuum_cost_limit? Jeff Janes <jeff.janes@gmail.com>
Re: Should we increase the default vacuum_cost_limit? Tom Lane <tgl@sss.pgh.pa.us>
Re: Should we increase the default vacuum_cost_limit? David Rowley <david.rowley@2ndquadrant.com>
Re: Should we increase the default vacuum_cost_limit? Andrew Dunstan <andrew.dunstan@2ndquadrant.com>
Re: Should we increase the default vacuum_cost_limit? Tom Lane <tgl@sss.pgh.pa.us>
Re: Should we increase the default vacuum_cost_limit? Tom Lane <tgl@sss.pgh.pa.us>
Re: Should we increase the default vacuum_cost_limit? David Rowley <david.rowley@2ndquadrant.com>
Re: Should we increase the default vacuum_cost_limit? Andrew Dunstan <andrew.dunstan@2ndquadrant.com>
Re: Should we increase the default vacuum_cost_limit? Tom Lane <tgl@sss.pgh.pa.us>
Re: Should we increase the default vacuum_cost_limit? Andrew Dunstan <andrew.dunstan@2ndquadrant.com>
Re: Should we increase the default vacuum_cost_limit? Julien Rouhaud <rjuju123@gmail.com>
Re: Should we increase the default vacuum_cost_limit? Tom Lane <tgl@sss.pgh.pa.us>
Re: Should we increase the default vacuum_cost_limit? Tom Lane <tgl@sss.pgh.pa.us>
Re: Should we increase the default vacuum_cost_limit? Julien Rouhaud <rjuju123@gmail.com>
Re: Should we increase the default vacuum_cost_limit? Julien Rouhaud <rjuju123@gmail.com>
Re: Should we increase the default vacuum_cost_limit? Tom Lane <tgl@sss.pgh.pa.us>
Re: Should we increase the default vacuum_cost_limit? David Rowley <david.rowley@2ndquadrant.com>
Re: Should we increase the default vacuum_cost_limit? Julien Rouhaud <rjuju123@gmail.com>
Re: [Suspect SPAM] Re: Should we increase the defaultvacuum_cost_limit? Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>
Re: [Suspect SPAM] Re: Should we increase the defaultvacuum_cost_limit? Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>
Re: Should we increase the default vacuum_cost_limit? Tom Lane <tgl@sss.pgh.pa.us>
Re: Should we increase the default vacuum_cost_limit? Julien Rouhaud <rjuju123@gmail.com>
Re: Should we increase the default vacuum_cost_limit? Gavin Flower <GavinFlower@archidevsys.co.nz>
Re: Should we increase the default vacuum_cost_limit? Tom Lane <tgl@sss.pgh.pa.us>
Re: Should we increase the default vacuum_cost_limit? Tom Lane <tgl@sss.pgh.pa.us>
On 2/25/19 1:17 AM, Peter Geoghegan wrote:
> On Sun, Feb 24, 2019 at 9:42 PM David Rowley
>  wrote:
>> The current default vacuum_cost_limit of 200 seems to be 15 years old
>> and was added in f425b605f4e.
>>
>> Any supporters for raising the default?
> 
> I also think that the current default limit is far too conservative.

I agree entirely. In my experience you are usually much better off if
vacuum finishes quickly. Personally I think our default scale factors
are horrible too, especially when there are tables with large numbers of
rows.

Joe

-- 
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