What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?
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How many instances of tasktracker run on a hadoop cluster?
How many maximum jvm can run on a slave node?
Define a metadata?
What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
What is 'Key value pair' in HDFS?
what are Task Tracker and Job Tracker?
Is hadoop based on google mapreduce?
What do masters consist of?
How to enable recycle bin in hadoop?
What is the full form of fsck?
Can we call vms as pseudos?
what is the default replication factor in HDFS?