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Why do we use HDFS for applications having large data sets and not when there are lot of small files?
What problems can be addressed by using Zookeeper?
What alternate way does HDFS provides to recover data in case a Namenode
What are the different methods to run Spark over Apache Hadoop?
What is the difference between Apache Hadoop and RDBMS?
Define a metadata?
what is SPF?
What is the default block size in hdfs?
what are Task Tracker and Job Tracker?
How to resolve IOException: Cannot create directory
On what basis data will be stored on a rack?
What should be the ideal replication factor in Hadoop Cluster?
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