What alternate way does HDFS provides to recover data in case a Namenode
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Is hadoop a memory?
What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
On what basis name node distribute blocks across the data nodes?
What is nlineoutputformat?
What are different hdfs dfs shell commands to perform copy operation?
Can Hadoop be compared to NOSQL database like Cassandra?
What are watches?
What does job conf class do?
What is Writable & WritableComparable interface?
What do you mean by taskinstance?
Explain the basic difference between traditional rdbms and hadoop?
What problems have you faced when you are working on Hadoop code?
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