HDDS-1569 Support creating multiple pipelines with same datanode#28

Merged

xiaoyuyao merged 2 commits intoapache:HDDS-1564from

timmylicheng:HDDS-1569

Oct 29, 2019

Commits on Oct 15, 2019

HDDS-1569 Support creating multiple pipelines with same datanode.
timmylicheng
committed

Commits on Oct 28, 2019

Handle ONE factor and THREE factor differently and add create pipeline limits.
timmylicheng
committed