| From: | Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> |
|---|---|
| To: | masao(dot)fujii(at)gmail(dot)com |
| Cc: | sawada(dot)mshk(at)gmail(dot)com, rjuju123(at)gmail(dot)com, tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com, alvherre(at)2ndquadrant(dot)com, andres(at)anarazel(dot)de, tgl(at)sss(dot)pgh(dot)pa(dot)us, robertmhaas(at)gmail(dot)com, david(at)pgmasters(dot)net, bossartn(at)amazon(dot)com, andrew(dot)dunstan(at)2ndquadrant(dot)com, michael(at)paquier(dot)xyz, laurenz(dot)albe(at)cybertec(dot)at, k(dot)jamison(at)jp(dot)fujitsu(dot)com, amit(dot)kapila16(at)gmail(dot)com, 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 04:06:26 |
| Message-ID: | 20190409.130626.28507805.horiguchi.kyotaro@lab.ntt.co.jp |
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| Lists: | pgsql-hackers |
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.
regards.
--
Kyotaro Horiguchi
NTT Open Source Software Center
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