What is Your Cluster size ?
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what is the typical block size of an HDFS block?
Are Namenode and job tracker on the same host?
What problems have you faced when you are working on Hadoop code?
How we can change Replication factor when Data is on the fly?
Is hadoop required for data science?
What is the difference between SQL and NoSQL?
What is Apache Hadoop YARN?
How is the option in Hadoop to skip the bad records?
What is a task instance in hadoop? Where does it run?
Which are the three main hdfs-site.xml properties?
Define a daemon?
What is safe mode in Hadoop?
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