Re: Performance problem: Loading data via insert
- From: Sameer Choudhari <sameer.choudhari@xxxxxxxxx>
- To: "carlos.sierra.usa@xxxxxxxxx" <carlos.sierra.usa@xxxxxxxxx>
- Date: Fri, 14 Mar 2014 07:42:40 +1100
Try tuning your insert statements with hints like PARALLEL NOLOGGING .
On Friday, 14 March 2014, Carlos Sierra <carlos.sierra.usa@xxxxxxxxx> wrote:
> Abhishek,
>
> As always, start with the evidence:
> What facts have you collected? What is AWR telling you? What are the SQL
> Traces telling? Which other diagnostics tools have you used for your case?
>
> Cheers,
>
> Carlos Sierra
>
> blog: carlos-sierra.net
> twitter: @csierra_usa
>
> Life's Good!
>
> On Mar 13, 2014, at 6:52 AM, Abhishek Gurung
> <abhishek.gurung@xxxxxxxxxxx<javascript:_e(%7B%7D,'cvml','abhishek.gurung@xxxxxxxxxxx');>>
> wrote:
>
> Hi
>
> We are facing a performance problem but unable to identify where is the
> problem.
>
> We have a production database server where about 8 database instances of
> oracle is running.
> Daily we insert in each of these database instances about 1-5 GB of data
> in different tables.
> All database instances are working fine where we are able to load around
> 2-3 GB of data within 1hour except
> 1 where it is taking about 8 hrs to load only 4 GB of data.
>
> When I try to load the same 4GB of data in another database where only one
> instance is running and with
> very less configuration as compared to the Production server we were able
> to load it in 1hr 45 minutes.
>
> Can anyone suggest how can we proceed to identify the problem?
>
> Regards
> Abhishek
>
>
>
--
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