Re: performance issue in remove_from_unowned_list()

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>
Cc: "Ideriha, Takeshi" <ideriha(dot)takeshi(at)jp(dot)fujitsu(dot)com>, Postgres hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: performance issue in remove_from_unowned_list()
Date: 2019-03-06 18:52:50
Message-ID: 20190306185250.GA18515@alvherre.pgsql
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On 2019-Feb-08, Tomas Vondra wrote:

> I'm wondering if we should just get rid of all such optimizations, and
> make the unowned list doubly-linked (WIP patch attached, needs fixing
> the comments etc.).

+1 for that approach.

Did you consider using a dlist?

--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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