| From: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
|---|---|
| To: | "Jamison, Kirk" <k(dot)jamison(at)jp(dot)fujitsu(dot)com>, "Tsunakawa, Takayuki" <tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, 'Amit Kapila' <amit(dot)kapila16(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Fujii Masao <masao(dot)fujii(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: | 2019-02-01 08:11:50 |
| Message-ID: | a6f65913f2be581d31c5845202d224011dc6fc1e.camel@cybertec.at |
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| Lists: | pgsql-hackers |
Jamison, Kirk wrote:
> On February 1, 2019, Tsunakawa, Takayuki wrote:
>
> > > As most people seem to agree adding the reloption, here's the patch.
> > > It passes make check, and works like this:
> > Sorry, I forgot to include the modified header file. Revised patch attached.
>
> I wonder if there is a better reloption name for shrink_enabled. (truncate_enabled, vacuum_enabled? Hmm. No?)
> On the other hand, shrink_enabled seems to describe well what it's supposed to do when vacuuming tables.
> Besides there's a similarly-named autovacuum_enabled option.
I like "shrink_enabled".
It may sound weird in the ears of PostgreSQL hackers, but will make sense to users.
Perhaps "vacuum_shrink_enabled" would be even better.
Yours,
Laurenz Albe
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