| From: | Jeff Janes <jeff(dot)janes(at)gmail(dot)com> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Bruce Momjian <bruce(at)momjian(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Magnus Hagander <magnus(at)hagander(dot)net> |
| Subject: | Re: Further pg_upgrade analysis for many tables |
| Date: | 2013-01-09 17:50:38 |
| Message-ID: | CAMkU=1wDGLemnJ_DyrQGiq42zvpbukCJ6eN0z+YjVegOXRbi+g@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Jan 9, 2013 at 3:59 AM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> On 9 November 2012 18:50, Jeff Janes <jeff(dot)janes(at)gmail(dot)com> wrote:
>
>> quadratic behavior in the resource owner/lock table
>
> I didn't want to let that particular phrase go by without saying
> "exactly what behaviour is that?", so we can discuss fixing that also.
It is the thing that was fixed in commit eeb6f37d89fc60c6449ca1, "Add
a small cache of locks owned by a resource owner in ResourceOwner."
But that fix is only in 9.3devel.
Cheers,
Jeff
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