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Re: slow performance postgres 7.0.3 and odbc

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Christian Bucanac <christian(dot)bucanac(at)mindark(dot)com>
Cc: "'juerg(dot)rietmann(at)pup(dot)ch'" <juerg(dot)rietmann(at)pup(dot)ch>, pgsql-odbc(at)postgresql(dot)org
Subject: Re: slow performance postgres 7.0.3 and odbc
Date: 2001-06-21 01:02:21
Message-ID: 200106210102.f5L12Lp28276@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-odbc
Is this our standard ODBC driver with modifications?  Can you send over
a conext diff of the source code changes?  Thanks.



> Yes, I know, the performace is/was bad. I found a major performace
> bottleneck in the driver. I fixed it, try the attached ODBC driver.
> 
> How to:
> * Backup your register
> * Run the attached psqlodbc.reg
> * Rename your current psqlodbc.dll
> * Copy the attached psqlodbc.dll to the location of renamed psqlodbc.dll
> * Run much faster!
> 
> Other tips:
> * Start postmaster with fsync off
> * Remove the index and recrate them later
> * Turn off autocommit and/or begin transaction/commit
> 
> /Buckis
> 
> 
> 
> -----Original Message-----
> From: juerg(dot)rietmann(at)pup(dot)ch [mailto:juerg(dot)rietmann(at)pup(dot)ch]
> Sent: den 15 juni 2001 15:21
> To: pgsql-odbc(at)postgresql(dot)org
> Subject: [ODBC] slow performance postgres 7.0.3 and odbc 
> 
> 
> Hello there
> 
> I just made a test creating 2495 records from a C++ prog. into a postgres
> table. This took me around 4 minutes. Doing the same against an access db
> takes 30 seconds ! I use Version 6.50.00.00 from 04.02.2000.
> 
> What can I do to speed up the ODBC performance?
> 
> Thanks ... jr
> 
> ============================================
> PFISTER + PARTNER, SYSTEM - ENGINEERING AG
> Juerg Rietmann
> Grundstrasse 22a
> 6343 Rotkreuz
> Switzerland
> 
> phone: +4141 790 4040
> fax: +4141 790 2545
> mobile: +4179 211 0315
> ============================================
> 
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-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

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