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From Feng Tian <ft...@vitessedata.com>
Subject Re: hawq init?
Date Sun, 04 Oct 2015 05:46:44 GMT
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" <zwang@pivotal.io> 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 <ftian@vitessedata.com> 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
>

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