| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Sergey Koposov <koposov(at)ast(dot)cam(dot)ac(dot)uk>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: slow dropping of tables, DropRelFileNodeBuffers, tas |
| Date: | 2012-06-07 23:45:40 |
| Message-ID: | CA+U5nMK9-byPiw+VJfohEi7m-1_=Myt+tB4ZgdvMVc+SBWvScg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 7 June 2012 22:54, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> I thought it would be a lot safer and probably a little bit quicker
> if we just split DropRelFileNodeBuffers into two routines, one for
> the specific-fork case and one for the all-forks case; and then the
> same for its main caller smgrdounlink. So I modified the patch along
> those lines and committed it.
>
> As committed, the smgrdounlinkfork case is actually dead code; it's
> never called from anywhere. I left it in place just in case we want
> it someday.
That's fine. The first version of the patch did it exactly that way.
I tried to double guess objections and so recoded it the way submitted.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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