Add keyNameMap for better performance at termination.
Add keyNameMap for better performance at termination.

AsynkronIT/protoactor-go,AsynkronIT/protoactor-go,rogeralsing/gam,AsynkronIT/gam,Huawei-PTLab/protoactor-go,Huawei-PTLab/protoactor-go,AsynkronIT/gam