Reduce balance operator about empty region

[nolouch]

Feature Request

Describe your feature request related problem

There is a problem: cluster has many empty regions, we always see there are many operators of the balance region(because there has the store limit, so the balanced regions should be empty regions. )

Describe the feature you'd like

We may do not need to balance them.

Teachability, Documentation, Adoption, Migration Strategy

• Go

[JmPotato]

because there has the store limit, so the balanced regions should be empty regions

Sorry for my poor comprehension, what does this actually mean?

[nolouch]

@JmPotato I mean the balance operator is caused by the empty regions(the region size is 1), maybe you can check the function shouldBalance in the server/schedulers/utils.go

[nolouch]

closed by #3129