From: Greg Smith <greg@2ndquadrant.com>
To: Greg Stark <gsstark@mit.edu>
Cc: Andres Freund <andres@anarazel.de>
Cc: pgsql-hackers@postgresql.org, pgsql-performance@postgresql.org, Michael Clemmons <glassresistor@gmail.com>
Cc: Hannu Krosing <hannu@2ndquadrant.com>
Cc: Scott Marlowe <scott.marlowe@gmail.com>
Subject: Re: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)
Date: Wed, 20 Jan 2010 00:21:07 -0500
Message-ID: <4B5692C3.6080807@2ndquadrant.com> (raw)
In-Reply-To: <407d949e1001190657m7cd289d5s74c3d8c475e0bdc7@mail.gmail.com>
References: <4427a97a0912101235x3ade510blcc00d5ce9883c6b6@mail.gmail.com>
<200912282354.51892.andres@anarazel.de>
<200912282359.43979.andres@anarazel.de>
<200912291930.50812.andres@anarazel.de>
<407d949e1001180835m79ffe3e4w53e20ce2e1a58f2d@mail.gmail.com>
<407d949e1001190652i43f4f276x6a485f375647219a@mail.gmail.com>
<407d949e1001190657m7cd289d5s74c3d8c475e0bdc7@mail.gmail.com>
Greg Stark wrote:
> On Tue, Jan 19, 2010 at 2:52 PM, Greg Stark <gsstark@mit.edu> wrote:
>
>> Barring any objections shall I commit it like this?
>>
>
> Actually before we get there could someone who demonstrated the
> speedup verify that this patch still gets that same speedup?
>
I think the final version of this patch could use at least one more
performance checking report that it does something useful. We got a lot
of data from Andres, but do we know that the improvements here hold for
others too? I can take a look at it later this week, I have some
interest in this area.
--
Greg Smith 2ndQuadrant Baltimore, MD
PostgreSQL Training, Services and Support
greg@2ndQuadrant.com www.2ndQuadrant.com
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To: pgsql-hackers@postgresql.org
Cc: greg@2ndquadrant.com, gsstark@mit.edu, andres@anarazel.de, glassresistor@gmail.com, hannu@2ndquadrant.com, scott.marlowe@gmail.com
Subject: Re: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)
In-Reply-To: <4B5692C3.6080807@2ndquadrant.com>
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