On Tue, Jun 7, 2011 at 9:00 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Simon Riggs <simon@2ndQuadrant.com> writes:
>> Moving on from that, I have proposed other solutions. Koichi, Jignesh
>> and and then Robert have shown measurements of the huge contention in
>> this area of our software. Robert's patch addresses the problems, as
>> do Koichi's and my latest patch. I would like to see us do
>> *something* about these problems for 9.1. Not all of them are risky or
>> time consuming.
>
> In the first place, all of these issues predate 9.1 by years. They are
> not regressions or new bugs, and they have not suddenly gotten more
> urgent. In the second place, I haven't seen any proposals in the area
> that appear low risk. I seriously doubt that I would consider *any*
> meaningful change in the locking area to be low risk.
That's a shame. We'll fix it in 9.2 then.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
