| From: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
|---|---|
| To: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
| Cc: | Julien Rouhaud <rjuju123(at)gmail(dot)com>, Takayuki Tsunakawa <tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, David Steele <david(at)pgmasters(dot)net>, "Bossart, Nathan" <bossartn(at)amazon(dot)com>, Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, "Jamison, Kirk" <k(dot)jamison(at)jp(dot)fujitsu(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: reloption to prevent VACUUM from truncating empty pages at the end of relation |
| Date: | 2019-04-08 10:29:51 |
| Message-ID: | CAD21AoCkdK5zaFt8xnwmXRbf2wmbi-UMwN1-Z_Qwt2UCK+92ZQ@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Mon, Apr 8, 2019 at 7:22 PM Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
>
> On Mon, Apr 8, 2019 at 5:30 PM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
> >
> > On Mon, Apr 8, 2019 at 5:15 PM Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
> > >
> > > On Mon, Apr 8, 2019 at 3:58 PM Julien Rouhaud <rjuju123(at)gmail(dot)com> wrote:
> > > >
> > > > On Mon, Apr 8, 2019 at 8:01 AM Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
> > > > >
> > > > > 2019年4月8日(月) 14:22 Tsunakawa, Takayuki <tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com>:
> > > > >>
> > > > >> From: Alvaro Herrera [mailto:alvherre(at)2ndquadrant(dot)com]
> > > > >> > "vacuum_truncate" gets my vote too.
> > > > >>
> > > > >> +1
> > > > >
> > > > >
> > > > > +1
> > > > > ISTM that we have small consensus to
> > > > > use "vacuum_truncate".
> > > >
> > > > I'm also fine with this name, and I also saw reports that this option
> > > > is already needed in some production workload, as Andres explained.
> > >
> > > OK, so I pushed the "vacuum_truncate" version of the patch.
> >
> > Thank you!
> >
> > "TRUNCATE" option for vacuum command should be added to the open items?
>
> Yes, I think.
Added.
> Attached is the patch which adds TRUNCATE option into VACUUM.
Thank you for the patch! I will review it.
Regards,
--
Masahiko Sawada
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Julien Rouhaud | 2019-04-08 11:15:24 | Re: reloption to prevent VACUUM from truncating empty pages at the end of relation |
| Previous Message | Kyotaro HORIGUCHI | 2019-04-08 10:24:44 | Re: [HACKERS] Block level parallel vacuum |