Re: Temporary tables prevent autovacuum, leading to XID wraparound - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Temporary tables prevent autovacuum, leading to XID wraparound
Date
Msg-id CA+Tgmoa4iSMRKEOnrY1tzmj1q6yjaVG1RCVr3X-wG1u_QthtGg@mail.gmail.com
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In response to RE: Temporary tables prevent autovacuum, leading to XID wraparound  ("Tsunakawa, Takayuki" <tsunakawa.takay@jp.fujitsu.com>)
Responses Re: Temporary tables prevent autovacuum, leading to XID wraparound
List pgsql-hackers
On Tue, Jan 30, 2018 at 7:04 PM, Tsunakawa, Takayuki
<tsunakawa.takay@jp.fujitsu.com> wrote:
> So a simple improvement would be to assign workers fairly to databases facing a wraparound risk, as Sawada-san
suggested.

Is that always an improvement, or does it make some cases better and
others worse?

> One ultimate solution should be the undo-based MVCC that makes vacuuming unnecessary, which you proposed about a year
ago...

And blogged about yesterday.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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