schedule: scatter regions to stores with the same engine (#2531)#2706

Merged

ti-srebot merged 1 commit intotikv:release-4.0from ti-srebot:release-4.0-33bf66099ebf

Aug 3, 2020

+329-172

Commits on Aug 3, 2020

cherry pick tikv#2531 to release-4.0

sticnarf
authored and
ti-srebot
committed