Re: 8.4 open item: copy performance regression?

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От Kevin Grittner
Тема Re: 8.4 open item: copy performance regression?
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Msg-id 4A3A7A640200002500027DC6@gw.wicourts.gov
обсуждение исходный текст
Ответ на Re: 8.4 open item: copy performance regression?  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: 8.4 open item: copy performance regression?  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: 8.4 open item: copy performance regression?  (Andrew Dunstan <andrew@dunslane.net>)
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Tom Lane <tgl@sss.pgh.pa.us> wrote: 
> Stefan Kaltenbrunner <stefan@kaltenbrunner.cc> writes:
>> Any objections if I add:
>>
http://archives.postgresql.org/pgsql-performance/2009-06/msg00215.php
>> to the (currently empty) list of open items for 8.4?
> 
> I am unable to duplicate any slowdown on this test case.  AFAICT
> 8.4 and 8.3 branch tip are about the same speed; if anything 8.4
> is faster.  Testing on x86_64 Fedora 10 ...
I just ran the specified test on:
Linux ATHENA 2.6.16.60-0.31-smp #1 SMP Tue Oct 7 16:16:29 UTC 2008
x86_64 x86_64 x86_64 GNU/Linux
Linux version 2.6.16.60-0.31-smp (geeko@buildhost) (gcc version 4.1.2
20070115 (SUSE Linux)) #1 SMP Tue Oct 7 16:16:29 UTC 2008
SUSE Linux Enterprise Server 10 (x86_64)
VERSION = 10
PATCHLEVEL = 2
I did configure with a prefix and these options:--enable-integer-datetimes --enable-debug --disable-nls --with-libxml
I did initdb with --no-locale
8.3.7
real    0m24.249s
real    0m24.054s
real    0m24.361s
8.4rc1
real    0m33.503s
real    0m34.198s
real    0m33.931s
-Kevin


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