What should be the ideal replication factor in Hadoop Cluster?
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Do we need to give a password, even if the key is added in ssh?
Is it necessary to know java to learn hadoop?
How Mapper is instantiated in a running job?
How to enable trash/recycle bin in hadoop?
How the HDFS Blocks are replicated?
What do shuffling do?
Which command is used for the retrieval of the status of daemons running the hadoop cluster?
What do slaves consist of?
What is compute and Storage nodes?
How does NameNode tackle DataNode failures?
What is the purpose of RawComparator interface?
What is safe mode in Hadoop?
Is hadoop a memory?
what are the steps involved in decommissioning removing
What does the command mapred.job.tracker do?