Re: How to increase performance? - Mailing list pgsql-performance

From Richard Huxton
Subject Re: How to increase performance?
Date
Msg-id 44CDCC13.4010705@archonet.com
Whole thread Raw
In response to How to increase performance?  (Hristo Markov <hristomarkov@yahoo.com>)
List pgsql-performance
Hristo Markov wrote:
> Hello,
>
>   My name is Hristo Markov. I am software developer.
>   I am developing software systems (with C/C++ program language) that work on Windows operation system and uses ODBC
driverand ACCESS database. I want to change database with PostgreSQL. 
>   The systems working without problems with PostgreSQL and ODBC, but the performance and speed of updating and
readingof data are very low.  
>   I run the test program working on one single computer under Windows XP operating system and working with equal data
(Iuse around 10 tables at the same time). The difference is only databases and ODBC drivers. 
>
>   The results from speed and performance of the test program are:
> Around 10 seconds under Access database.
> Around 40 seconds under PostgreSQL database.
>
> Please help me to increase speed and performance of PostgreSQL.
>   /I am freshman in PostgreSQL and I thing that may be must set some settings /

Are there specific queries you're having problems with? How many
transactions does this 40 seconds represent? What is the bottle-neck -
CPU/disk/memory?

You might find this a good place to start reading about configuration
settings, and then follow that with the manuals.
http://www.powerpostgresql.com/PerfList

--
   Richard Huxton
   Archonet Ltd

pgsql-performance by date:

Previous
From: Richard Huxton
Date:
Subject: Re: sub select performance due to seq scans
Next
From: Richard Huxton
Date:
Subject: Re: Query 200x slower on server [PART 2]