What is a heartbeat in HDFS?
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What do you know about keyvaluetextinputformat?
Is hadoop open source?
How indexing is done in HDFS?
what is a datanode?
What is the purpose of button groups?
What does /etc /init.d do?
What is the difference between Hadoop and Traditional RDBMS?
How many JVMs run on a slave node?
What infrastructure do we need to process 100 TB data using Hadoop?
What is the functionality of jobtracker in hadoop?
Is a job split into maps?
What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?
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