hi ted ,for example i have a table with 10 regions, if i offer the condition hit the data of 8 regions,is it different do it use oraginal scan and use coprocessor? i know coprocessor can do it parallel for each region ,but why the oraginal scan will slow than coprocessor?
On Sat, Jul 13, 2013 at 7:36 PM, Ted Yu <[email protected]> wrote: > Can you clarify your question a little bit ? > > That is, are you expecting parallel scan within region boundary or across > boundaries ? > > Cheers > > On Jul 13, 2013, at 1:43 AM, ch huang <[email protected]> wrote: > > > ATT >
