How Nifi Works Internally

[#1]

Hi All,

i have 3 node nifi cluster(1 Master and 2 Slaves) and 3 node hadoop cluster ,if i created dataflow send or receive data to hdfs

1.How internally Nifi works?

2.is Nifi uses MapReduce ?

3.is there any load balancing algorithms it uses?

4.How Master and slaves co-ordinates with each other?

5. is Nifi stores any data internally ?

please explain with simple architecture