phoenix is using coprocessor internal On Sun, Jul 14, 2013 at 11:15 PM, Asaf Mesika <[email protected]> wrote:
> To my knowledge, scan is not parallel, hence the speed of queries of > Impala, Phoenix, and other similar projects. > > On Saturday, July 13, 2013, ch huang wrote: > > > 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] > <javascript:;>> > > 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] > <javascript:;>> > > wrote: > > > > > > > ATT > > > > > > > > -- > Sent from Gmail Mobile >
