How to resolve small file problem in hdfs?
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How will format the HDFS ?
What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
What are the most commonly defined input formats in Hadoop?
Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?
What is the main purpose of HDFS fsck command?
What is Apache Hadoop? Why is Hadoop essential for every Big Data application?
What are the problems with Hadoop 1.0?
did you maintain the hadoop cluster in-house or used hadoop in the cloud?
What is the function of ApplicationMaster?
What are the network requirements for using hadoop?
What do the master class and the output class do?
What is the jobtracker and what it performs in a hadoop cluster?
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