How is HDFS fault tolerant?
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What is the jobtracker?
How Mapper is instantiated in a running job?
What alternate way does HDFS provides to recover data in case a Namenode
What is the functionality of jobtracker in hadoop?
what should be the ideal replication factor in hadoop?
What is Apache Hadoop?
What are the problems with Hadoop 1.0?
What is the purpose of button groups?
How to configure hadoop to reuse JVM for mappers?
What is the main purpose of HDFS fsck command?
Explain the hadoop-core configuration?
What should be the ideal replication factor in Hadoop Cluster?
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