Re: very slow when writing query to file

From: Guillaume Lelarge <guillaume(at)lelarge(dot)info>
To: boris pezzatti <boris(dot)pezzatti(at)wsl(dot)ch>
Cc: pgadmin-support(at)postgresql(dot)org
Subject: Re: very slow when writing query to file
Date: 2011-11-02 21:26:38
Message-ID: 1320269199.2145.30.camel@localhost.localdomain
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgadmin-support

On Wed, 2011-11-02 at 09:21 +0100, boris pezzatti wrote:
> ... or (I promise this is the last guess) each row is appended to the
> file in the the loop, and on some OS's there is a problem keeping open
> the file (so that each time the file must be opened again ... adding a
> lot of extra time). Maybe creating all the "virtual file" in a variable
> and storing all at once (or let say in chunks of 100 Mb) could solve the
> problem ...
>

Tried that yesterday, wasn't much faster (two seconds less, which isn't
much).

--
Guillaume
http://blog.guillaume.lelarge.info
http://www.dalibo.com

In response to

Browse pgadmin-support by date

  From Date Subject
Next Message Guillaume Lelarge 2011-11-02 21:28:22 Re: Bug, New Column... window, data type typing
Previous Message Guillaume Lelarge 2011-11-02 21:25:32 Re: very slow when writing query to file