| From: | David Steele <david(at)pgmasters(dot)net> |
|---|---|
| To: | "Tsunakawa, Takayuki" <tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com> |
| Cc: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, "Bossart, Nathan" <bossartn(at)amazon(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, 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>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Re: reloption to prevent VACUUM from truncating empty pages at the end of relation |
| Date: | 2019-03-25 08:44:23 |
| Message-ID: | 5529f6b0-300f-dc9b-dd36-9f824c652be3@pgmasters.net |
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| Lists: | pgsql-hackers |
On 3/5/19 6:41 AM, Masahiko Sawada wrote:
>
> I understood the use case. I'm inclined to add DISABLE_INDEX_CLEANUP
> as a reloption.
>
> It's an improvement but it seems to me that the specifying a threshold
> or scale factor would be more useful for that case than just turning
> on and off. It's something like autovaucum_index_vacuum_scale_factor,
> 0 by default means always trigger index vacuuming and -1 means never
> trigger.
This patch appears to have been stalled for a while.
Takayuki -- the ball appears to be in your court. Perhaps it would be
helpful to summarize what you think are next steps?
Regards,
--
-David
david(at)pgmasters(dot)net
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