In 10G, there is the new time model to store statistics, wherein every operation is stored in a bucket of time. "DB Time" is one such operation. It represents the total time spent in database calls and is derived by adding the times from all non-idle user sessions. May be there were ~30 active sessions making db calls ... HTH, -Arul On 4/9/06, ramick <ramick@xxxxxxxxxxx> wrote: > > I'm trying to get an idea of what hardware will be sufficient to support > streaming an application from our production database. In this effort, I > searched Google and found: > http://www.dba-oracle.com/t_streams_benchmarking_testing.htm > > While I understand the findings, I don't understand the report. > Specifically, why is the Elapsed at 2.62 minutes and DB Time at 74.32 > minutes. I would have thought this due to the number of CPUs on the > system, > but looking further down under "Operating System Statistics" at the > statistic "NUM_CPUS" it is 2. Am I missing something? > > -- > //www.freelists.org/webpage/oracle-l > > >