Re: Slow performance on Windows .NET and OleDb

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От Greg Quinn
Тема Re: Slow performance on Windows .NET and OleDb
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Msg-id 000f01c6531f$fcbc0570$0200a8c0@pta.homex.co.za
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Ответ на Slow performance on Windows .NET and OleDb  ("Greg Quinn" <greg@officium.co.za>)
Ответы Re: Slow performance on Windows .NET and OleDb  (PFC <lists@peufeu.com>)
Re: Slow performance on Windows .NET and OleDb  ("Merlin Moncure" <mmoncure@gmail.com>)
Re: Slow performance on Windows .NET and OleDb  (Christopher Kings-Lynne <chris.kings-lynne@calorieking.com>)
Список pgsql-performance
> how many rows does it return ? a few, or a lot ?

3000 Rows - 7 seconds - very slow

Which client library may have a problem? I am using OleDb, though haven't
tried the .NET connector yet.

Network configuration?? I am running it off my home PC with no network. It
is P4 2.4 with 1 Gig Ram. Windows XP

----- Original Message -----
From: "PFC" <lists@peufeu.com>
To: "Greg Quinn" <greg@officium.co.za>
Sent: Wednesday, March 29, 2006 11:02 AM
Subject: Re: [PERFORM] Slow performance on Windows .NET and OleDb


>
>> select * from users
>> which returns 4 varchar fields, there is no where clause
>
> how many rows does it return ? a few, or a lot ?
>
>> Yes, I am running the default postgres config. Basically I have been a
>> MySQL user and thought I would like to check out PostGreSql.
>
> Good idea...
>
> From the tests I made, on simple queries like yours, with no joins, speed
> pf pg 8.x is about the same as mysql 5.x ; that is to say very fast. If
> you have a performance problem on something so basic, and moreover on
> windows, it smells like a problem in the client library, or in the TCP
> transport between client and server.
> I remember messages saying postgres on windows was slow some time ago
> here, and it turned out to be a problem in the network configuration of
> the machine.
>



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