On what basis name node distribute blocks across the data nodes?
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Which are the two types of 'writes' in HDFS?
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 meaning of the term "non-DFS used" in Hadoop web-console?
What is HDFS Federation?
How to use Apache Zookeeper command line interface?
What are the benefits of block transfer?
How can I restart namenode?
Name the various types of lists supported by bootstrap.
Which files are used by the startup and shutdown commands?
What are the hadoop's three configuration files?
How Mapper is instantiated in a running job?
What is the full form of fsck?