Do you always load the data or cleanup some old data before inserting ? What else is running at the same time the load is running, is something blocking this load ? As Carlos suggested, it would be better if you get more data around the problem and try identify where your time is going. On Fri, Mar 14, 2014 at 9:42 AM, Sameer Choudhari < sameer.choudhari@xxxxxxxxx> wrote: > 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> >> 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 >> >> >> > > -- > Sent from Google Nexus > -- Veerabasaiah C B "Only put off until tomorrow what you are willing to die having left undone. - Picasso"