Re: Bulk loading partitioned tables slower than heap tables?

From: Stephen Andert <andert_at_gmail.com>
Date: Thu, 29 Jun 2006 21:38:43 -0700
Message-ID: <6d45e210606292138y38afb67bwbacf0c7b2f75650@mail.gmail.com>

When I was loading data into partitioned tables, we were able to get our AppDev folks to provide the data in separate files for each partition. Data loading just FLEW. Sorry if this doesn't help your situation, but may be something to discuss for future loads.

Stephen

On 6/23/06, amonte <ax.mount_at_gmail.com> wrote:
>
> Hi
>
> I was wondering if anyone has experience bulk loading data to partitioned
> tables? I have run some tests and running bulk load (insert append) into
> partitioned tables is actually 40% more costy. For example to load up a 80
> million rows table it takes around 8 minutes whereas with plain heap table
> it only takes 5
>
> Test used:
> LMT with 16MB uniform size extent
> No ASSM
> Parallel DML
> Parallel Query
> Degree 16
>
> Regards
>
> Alex
>
>
>

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Received on Thu Jun 29 2006 - 23:38:43 CDT