Why is Apache Spark faster than Apache Hadoop?
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What is HDFS Block size? How is it different from traditional file system block size?
How client application interacts with the NameNode?
How to change Replication Factor For below cases ?
How Mapper is instantiated in a running job?
What is HDFS block size and what did you chose in your project?
How does a namenode handle the failure of the data nodes?
How you can contact your client everyday ?
What is safe mode in Hadoop?
What infrastructure do we need to process 100 TB data using Hadoop?
shouldn't DFS be able to handle large volumes of data already?
How to enable/configure the compression of map output data in hadoop?
How to Administering Hadoop?
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