For each job, the Hadoop framework generates task log files. Where are Hadoop’s task log files
stored?

A.
Cached on the local disk of the slave node running the task, then purged immediately upon task
completion.

B.
Cached on the local disk of the slave node running the task, then copied into HDFS.

C.
In HDFS, in the directory of the user who generates the job.

D.
On the local disk of the slave node running the task.

Explanation:
Apache Hadoop Log Files: Where to find them in CDH, and what info they contain