sorry, so, one seg per node. does the node get defined in hawq-site.xml? just add nodes there? On Oct 3, 2015 10:46 PM, "Feng Tian" <[email protected]> wrote:
> 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 >> >
