NewBindingRecords returns an BindingRecords object.

NewController returns a Node Annotator object.

Binding is a concise struction of pod binding records, which consists of pod name, namespace name, node name and accurate timestamp.

BindingRecords relizes an Binding heap, which limits heap size, and recycles automatically, contributing to store latest and least imformation.

Controller is Controller for node annotator.

BindingHeap is a Heap struction storing Binding imfromation.