Re: slow dropping of tables, DropRelFileNodeBuffers, tas
Simon Riggs <simon@2ndquadrant.com>
From: Simon Riggs <simon@2ndQuadrant.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Sergey Koposov <koposov@ast.cam.ac.uk>, Jeff Janes <jeff.janes@gmail.com>, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, pgsql-hackers@postgresql.org
Date: 2012-06-07T23:45:40Z
Lists: pgsql-hackers
On 7 June 2012 22:54, Tom Lane <tgl@sss.pgh.pa.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