I am reading the performance counter and having the following question: Map Input Bytes = 6.8G, while HDFS Bytes Read = 10G.
What are the additional 3.2G? Thanks -Songting
I am reading the performance counter and having the following question: Map Input Bytes = 6.8G, while HDFS Bytes Read = 10G.
What are the additional 3.2G? Thanks -Songting