On what basis Namenode will decide which datanode to write on?
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What is HDFS Block size? How is it different from traditional file system block size?
What do the master class and the output class do?
What is version-id mismatch error in hadoop?
What does /etc /init.d do?
Explain what is sqoop in Hadoop ?
What happens to job tracker when namenode is down?
What are the characteristics of hadoop framework?
What are the site-specific configuration files in Hadoop?
What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
What are the network requirements for using hadoop?
What is hadoop framework?
What is Schema on Read and Schema on Write?