How Greenplum views the amount of data exchanged between cross data nodes in motion in a distributed execution plan？

[yjwww]

Feature Request

Is your feature request related to a problem? Please describe:

Describe the feature you'd like to request:

[ashwinstar]

Please describe what's the feature being asked for. Current state reads incomplete question, not very helpful to respond or comment on.

[kainwen]

Explain analyze's actual rows might give a hint.