| From: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
|---|---|
| To: | Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> |
| Cc: | Sawada Masahiko <sawada(dot)mshk(at)gmail(dot)com>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, "Tsunakawa, Takayuki" <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>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: reloption to prevent VACUUM from truncating empty pages at the end of relation |
| Date: | 2019-04-09 17:00:03 |
| Message-ID: | CAHGQGwGufa=f4RWAscOyz1J76Gs-u+wmUt6oZF8YswLiMF13Ew@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Tue, Apr 9, 2019 at 1:07 PM Kyotaro HORIGUCHI
<horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> wrote:
>
> Hello.
>
> At Mon, 8 Apr 2019 19:22:04 +0900, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote in <CAHGQGwHa_dX=dRcbR5QVTs6W5mgCy3qZ2fEwREaiXpES1B2+jw(at)mail(dot)gmail(dot)com>
> > > "TRUNCATE" option for vacuum command should be added to the open items?
> >
> > Yes, I think.
> > Attached is the patch which adds TRUNCATE option into VACUUM.
>
> By the way, this might have been discussed upthread, but boolean
> options of VACUUM command is defaulted to true. So, it seems to
> me that the name is better (or convenient to me) to be
> SKIP_TRUNCATE. The name of the reloption seems good to me.
If we really use SKIP_TRUNCATE, we need to use SKIP_INDEX_CLEANUP
instead of INDEX_CLEANUP for the consistency. But TRUNCATE and
INDEX_CLEANUP look more intuitive to me than SKIP_TRUNCATE and
SKIP_INDEX_CLEANUP.
Regards,
--
Fujii Masao
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Andrey Borodin | 2019-04-09 17:09:33 | Re: Compressed TOAST Slicing |
| Previous Message | Konstantin Knizhnik | 2019-04-09 16:54:03 | Re: Zedstore - compressed in-core columnar storage |