DistributionManager.visitPutMapCommand broadcasts ALL the map entries to ALL the nodes to which keys are mapped.
E.g. if Map=

{k1=v1, k2=v2} and k1 maps to node A, k2 maps to node B then both A and B would receive {k1=v1, k2=v2}

.
The way it should be is A receives

{k1=v1}

and B receives

{k2=v2}

.

This is suboptimal and error prone as, by the look of code, both nodes would store ALL the data in the data container.