[RPC][BUGFIX][BACKPORT-0.6] Fix bug in rpc ring buffer shrink (#5516)#5537

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tqchen merged 1 commit intoapache:v0.6from tqchen:backport

May 7, 2020

+23-11

Commits on May 7, 2020

[RPC][BUGFIX][BACKPORT-0.6] Fix bug in rpc ring buffer shrink (apache#5516 )
tqchen
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