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
