How is the option in Hadoop to skip the bad records?
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Do we need to give a password, even if the key is added in ssh?
How to restart Namenode?
What is a spill factor with respect to the ram?
What does /etc /init.d do?
What is the problem with HDFS and streaming data like logs
What are combiners and its purpose?
What is version-id mismatch error in hadoop?
What will you do when NameNode is down?
What are different hdfs dfs shell commands to perform copy operation?
Which command is used for the retrieval of the status of daemons running the hadoop cluster?
What is the difference between SQL and NoSQL?
How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?
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