Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> c.d.o.server -> Re: Performance considerations during Oracle imp/load

Re: Performance considerations during Oracle imp/load

From: Matthias Hoys <idmwarpzone_NOSPAM__at_yahoo.com>
Date: Mon, 18 Apr 2005 18:25:51 +0200
Message-ID: <4263df90$0$30160$ba620e4c@news.skynet.be>

"Ora Dummy" <oradummy_at_yahoo.com> wrote in message news:1113835932.209727.131960_at_o13g2000cwo.googlegroups.com...
> hi,
>
> Next week, I will be attempting to load 6GB of dump files into
> two tables. I have a 4 WAY CPU and 8GB machine in IBM aix 5L.
>
> Prior to the load, what areas do I need to consider to maximize the
> import performance? I am thinking these are the areas that will affect
> the load greatly
>
> 1. Give Buffer Pool size like 5GB memory (can't give more than that,
> some appl running)
> 2. Use BUFFER=4,000,000,000 during import
> 3. Use COMMIT=Y
>
> Are they any more parameter that affect the import?
>
> Since we need to import this size of data into development quite often,
> would it
> be better to import once (one time pain) and then spit the data out
> into
> one delimited flat file, and then next time round, use the SQL LOAD
> command.
> If SQL Load is use, are the above parameters the ones that affect the
> load?
>
> Anyone who can shed some lights??
>
> Ora Dummy
>

Put your dump (source) files on different disks than your datafiles (target).

Matthias Received on Mon Apr 18 2005 - 11:25:51 CDT

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US