tikv: forbid to try to get a connection forever (#11391)#11531

Merged

jackysp merged 5 commits intopingcap:release-3.0from hicqu:release-3.0

Aug 2, 2019

+39-4

Commits on Jul 30, 2019

tikv: forbid to try to get a connection forever (pingcap#11391 )
hicqu
committed