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Re: basic pgbench runs with various performance-related patches

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: basic pgbench runs with various performance-related patches
Date: 2012-01-24 01:40:58
Message-ID: CA+Tgmoa+6wfk5knt2aLApSVcw6h6X7EZPsfmkV-LO5o0ac-skg@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On Mon, Jan 23, 2012 at 7:52 PM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> On Mon, Jan 23, 2012 at 3:49 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>
>>> The other patches have clearer and specific roles without heuristics
>>> (mostly), so are at least viable for 9.2, though still requiring
>>> agreement.
>>
>> I think we must also drop removebufmgrfreelist-v1 from consideration,
> ...
>
> I think you misidentify the patch. Earlier you said it that
> "buffreelistlock-reduction-v1 crapped
> out"  and I already said that the assumption in the code clearly
> doesn't hold, implying the patch was dropped.

Argh.  I am clearly having a senior moment here, a few years early.
So is it correct to say that both of the patches associated with
message attached to the following CommitFest entry are now off the
table for 9.2?

https://commitfest.postgresql.org/action/patch_view?id=743

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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