Command to format the NameNode?
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What are watches?
What is the relation between job and task in hadoop?
Mention what is the use of Context Object?
What is Apache Hadoop?
What is the Use of SSH in Hadoop ?
Is hadoop open source?
How to configure hadoop to reuse JVM for mappers?
What are the site-specific configuration files in Hadoop?
What alternate way does HDFS provides to recover data in case a Namenode
What is the purpose of RawComparator interface?
How to change from su to cloudera?
Is fs.mapr.working.dir a single directory?