Mention what is the use of Context Object?
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How can we change the split size if our commodity hardware has less storage space?
What problems can be addressed by using Zookeeper?
What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
What is the Use of SSH in Hadoop ?
What are the additional benefits YARN brings in to Hadoop?
What is the problem with HDFS and streaming data like logs
What if a namenode has no data?
What is the jobtracker and what it performs in a hadoop cluster?
What is the function of NodeManager?
What is HDFS ? How it is different from traditional file systems?
what are the nodes in the Hadoop cluster?
What mechanism does hadoop framework provides to synchronize changes made in distribution cache during runtime of the application?
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