What is partitioning?
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What is Slot in Hadoop v1? Why was it removed from Hadoop v2?
Mention what is the data storage component used by hadoop?
How many job tracker processes can run on a single Hadoop cluster?
What daemons run on master nodes?
Clarify how ordering in hdfs is finished?
What are the port numbers of job tracker?
Can you explain edge nodes in hadoop?
Which database is used in hadoop?
What is Balancer in Hadoop?
Comparison between Secondary NameNode and Checkpoint Node in Hadoop?
What is job tracker in Hadoop?
Hadoop achieves parallelism by dividing the tasks across many nodes, it is possible for a few slow nodes to rate-limit the rest of the program and slow down the program. What mechanism Hadoop provides to combat this?
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