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: Postgres hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: performance issue in remove_from_unowned_list()
Date: 2019-03-10 20:09:23
Message-ID: 20190310200923.GA4108@alvherre.pgsql
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On 2019-Feb-07, Tomas Vondra wrote:

> Attached is a WIP patch removing the optimization from DropRelationFiles
> and adding it to smgrDoPendingDeletes. This resolves the issue, at least
> in the cases I've been able to reproduce. But maybe we should deal with
> this issue earlier by ensuring the two lists are ordered the same way
> from the very beginning, somehow.

I noticed that this patch isn't in the commitfest. Are you planning to
push it soon?

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

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