Explain the features of stand alone (local) mode?
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What is the problem with HDFS and streaming data like logs
What is DistributedCache and its purpose?
Explain the difference between NameNode
What are watches?
Is fs.mapr.working.dir a single directory?
What hadoop does in safe mode?
How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?
Can NameNode and DataNode be a commodity hardware?
What alternate way does HDFS provides to recover data in case a Namenode
what factors the block size takes before creation?
What happens to a namenode, when job tracker is down?
Main Components of Hadoop?
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