| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Teodor Sigaev <teodor(at)sigaev(dot)ru>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: maintenance_work_mem used by Vacuum |
| Date: | 2019-10-18 02:43:10 |
| Message-ID: | CAA4eK1JnjwK1kzCTmgcZZT6mMNC2fcz63jbav7LMrRve0jShiQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Oct 17, 2019 at 3:10 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> writes:
> > Another idea could be each index AM tell whether it uses
> > maintainence_work_mem or not and based on that we can do the
> > computation (divide the maintainence_work_mem by the number of such
> > indexes during parallel vacuum).
>
> FWIW, that seems like a perfectly reasonable API addition to me.
>
Thanks, Sawada-san, if you also think this API makes sense, then we
can try to write a patch and see how it turns out?
--
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com
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