For each job, the Hadoop framework generates task log files. Where are these log files stored?
A.
On the local disk of the slave node running the task.
B.
In HDFS, in the directory of the user who generates the job.
C.
On the local disk of the slave node running the task, then copied into HDFS.
D.
On the local disk of the slave node running the task, but logs are discarded immediately upon
task completion.