What is the difference between SQL and NoSQL?
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What is the use of Combiner?
Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?
Define a datanode?
What is HDFS ? How it is different from traditional file systems?
What platform and java version are required to run hadoop?
How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?
what is SPF?
What is hadoop framework?
how is a file of the size 1 GB uncompressed
What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?
Does google use hadoop?
Can NameNode and DataNode be a commodity hardware?