How the Client communicates with HDFS?
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did you maintain the hadoop cluster in-house or used hadoop in the cloud?
Does Hadoop requires RAID?
What is Hadoop streaming?
Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
What are different hdfs dfs shell commands to perform copy operation?
What is yarn in hadoop?
what factors the block size takes before creation?
Mention what is the number of default partitioner in Hadoop?
What stored in HDFS?
Why are the number of splits equal to the number of maps?
What is Row Key?
Is hadoop required for data science?
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