From: | Bruce Momjian <bruce(at)momjian(dot)us> |
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To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | 曾文旌 <wenjing(dot)zwj(at)alibaba-inc(dot)com>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, Ibrar Ahmed <ibrar(dot)ahmad(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Peter Geoghegan <pg(at)bowt(dot)ie>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Amit Langote <amitlangote09(at)gmail(dot)com>, Hamid Akhtar <hamid(dot)akhtar(at)gmail(dot)com>, "heikki(dot)linnakangas" <heikki(dot)linnakangas(at)iki(dot)fi>, "Nasby, Jim" <nasbyj(at)amazon(dot)com> |
Subject: | Re: Proposal: Global Index |
Date: | 2021-01-11 19:23:13 |
Message-ID: | 20210111192313.GI4320@momjian.us |
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Lists: | pgsql-hackers |
On Mon, Jan 11, 2021 at 01:37:02PM -0500, Robert Haas wrote:
> However, there is a VACUUM amplification effect to worry about here
...
> That's not necessarily a death sentence for every use case, but it's
> going to be pretty bad for tables that are big and heavily updated.
Yeah, I had not really gotten that far in my thinking, but someone is
going to need to create a POC and then we need to test it to see if it
offers a reasonably valuable feature.
--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EnterpriseDB https://enterprisedb.com
The usefulness of a cup is in its emptiness, Bruce Lee
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