How about hash table? On Fri, Jul 1, 2016 at 9:30 AM, Hubert Zhang <[email protected]> wrote:
> For random table, the virtual segment number is related to the data size of > the table. For large tables, we prefer use more virtual segments to achieve > better performance. While for small tables, less virtual segments are > needed, which could save resources and enable more concurrent queries. > > On Fri, Jul 1, 2016 at 9:22 AM, yanqing weng <[email protected]> > wrote: > > > Hi HAWQ developer, > > > > Elastic execution engine is the important feature in HAWQ 2.0. > > > > I have a question for this feature in the HAWQ debugging. Is there > possible > > to control the virtual segment number when run query ? If so, which GUC > or > > parameter I should set ? Thanks. > > > > > > -- > Thanks > > Hubert Zhang >
