Explanation:The secondary NameNode merges the fsimage and the edits log files periodically and keeps edits log size within a limit. 10. Which of the following is used for the MapReduce job Tracker node ?
A. mradmin
B. tasktracker
C. jobtracker
D. None of the mentioned
Answer:A
Explanation:The secondary NameNode merges the fsimage and the edits log files periodically and keeps edits log size within a limit. 10. Which of the following is used for the MapReduce job Tracker node ?
A. mradmin B. tasktracker C. jobtracker D. None of the mentioned
Explanation:tasktracker runs a MapReduce task Tracker node. Sanfoundry Global Education & Learning Series – Hadoop.