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What does /var/hadoop/pids do?
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Can Hadoop be compared to NOSQL database like Cassandra?
Did you ever ran into a lop sided job that resulted in out of memory error
Explain the difference between NameNode
Is it necessary to write jobs for hadoop in the java language?
How many maximum jvm can run on a slave node?
What is the difference between hadoop and other data processing tools?
What is HDFS - Hadoop Distributed File System?
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Why are the number of splits equal to the number of maps?
What is Schema on Read and Schema on Write?
What are the benefits of block transfer?
Explain the difference between gen1 and gen2 hadoop with regards to the namenode?
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