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Hadoop Administration And Maintenance | Hadoop Tutorial For Beginners

Big Data and Hadoop Administrator Certification Training: http://www.simplilearn.com/big-data-a.
This is the eight lesson of Big Data and Hadoop Administrator course offered by simplilearn. This lesson will cover the details on administration of Hadoop.
Objectives:
After completing this lesson you will be able to
• Describe NameNode or DataNode directory structures and files
• Explain filesystem image and edit log
• Define checkpoint procedure
• Explain the reasons for namenode failure and identify the steps of recovery procedure
• Describe the importance of safe mode, metadata and data backup
• Identify the potential problems faced by Hadoop administrators and their solutions
• List the steps of adding and removing nodes.

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