Re: Libpq is very slow on windows but fast on linux. - Mailing list pgsql-general

From Antonio Goméz Soto
Subject Re: Libpq is very slow on windows but fast on linux.
Date
Msg-id 4CDA4A7B.8080006@gmail.com
Whole thread Raw
In response to Re: Libpq is very slow on windows but fast on linux.  (Alban Hertroys <dalroi@solfertje.student.utwente.nl>)
List pgsql-general
Op 10-11-10 08:22, Alban Hertroys schreef:
> On 10 Nov 2010, at 5:19, Rob Brown-Bayliss wrote:
>
>> Further testing shows it is windows networking causing the issue.
>> Copying files to and from the server is 5 to 6 times slower on a
>> Windows client compared to the Linux client.
>>
>> The issue is not specific to libpq.
>
> Do both machines have similar hardware? If the Linux machine has a proper NIC (intel, for example) while the Windows
machine
 > has a poor NIC (Realtek!), then of course you would get differences in performance.
>

Not that much, in the past I have seen differences in performance between Intel and Realtek,
20-30% yes, but never by a factor of 5 or 6.

Antonio

> I'm not saying Microsofts network stack is particularly good, mind you, just that it isn't necessarily the main
cause.
 > One of the problems Windows is facing is that, while supporting a lot of hardware is a good thing in general, it
also
 > supports all the crap hardware, crap drivers and crap ACPI implementations.
>
> Alban Hertroys
>
> --
> Screwing up is an excellent way to attach something to the ceiling.
>
>
> !DSPAM:737,4cda484310265265216060!
>
>
>


pgsql-general by date:

Previous
From: Alban Hertroys
Date:
Subject: Re: Libpq is very slow on windows but fast on linux.
Next
From: John R Pierce
Date:
Subject: Re: Libpq is very slow on windows but fast on linux.