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What is HDFS block size and what did you chose in your project?
What is hbase in hadoop?
Is hadoop open source?
How do you define "block" in HDFS?
Who is a 'user' in HDFS?
What does /var/hadoop/pids do?
What is Disk Balancer in Apache Hadoop?
What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?
What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?
What is the communication channel between client and namenode/datanode?
Which are the three main hdfs-site.xml properties?
Mention what is the use of Context Object?
How can we change the split size if our commodity hardware has less storage space?
What is the default replication factor?
What are the different methods to run Spark over Apache Hadoop?
