store/tikv: fix data race on idle (#12164) (#12824)#12846

Merged

zz-jason merged 1 commit intopingcap:release-3.0from sre-bot:release-3.0-060ed1b4fc2f

Oct 21, 2019

+12-4

Commits on Oct 21, 2019

store/tikv: fix data race on idle (pingcap#12164 )

overvenus
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