Your cluster Mode size is set to 128MB. A client application (client application A) is writing a
500MB file to HDFS. After client application A has written 300MB of data, another client (client
application B) attempts to read the file. What is the effect of a second client requesting a file during
a write?

A.
Application B can read 256MB of the file

B.
Client application B returns an error

C.
Client application on B can read the 300MB that has been written so far.

D.
Client application B must wait until the entire file has been written, and will then read its entire
contents.