interesting. what if i have two physical nodes? and, how can i control the number of forked processes? do i have to believe planner will pickup the right number? any pointer to design and/or implementation?
thanks, On Oct 3, 2015 8:02 PM, "Zhanwei Wang" <[email protected]> wrote: > Hi Feng > > Unlike Greenplum Database and HAWQ 1.x. Apache HAWQ will init only one > segment on each node. > > But Apache HAWQ can fork many work processes on one segment to execute the > plan. The number of work processes depends on the query and plan. > > Best Regards > Zhanwei Wang > > > On Sun, Oct 4, 2015 at 12:39 AM, Feng Tian <[email protected]> wrote: > > > Hi, > > > > Hawq init cluster on my box works great, but it only creates one segment. > > How can I init a cluster of say, two segments? Which config file should > I > > edit? > > > > Tried gpinitsystem (does not work), tried google but cannot find much > info. > > > > Thanks, > > > > > > -- > Best Regards > ---------- > > Zhanwei Wang >
