What is structured and unstructured data?
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Which language is more suitable for text analytics? R or python?
What is a namenode?
What is purpose of RecordWriter in Hadoop?
List out the some common problems faced by data analyst?
If we want to copy 10 blocks from one machine to another, but another machine can copy only 8.5 blocks, can the blocks be broken at the time of replication?
If DataNode increases, then do we need to upgrade NameNode in Hadoop?
Where are Hadoop’s configuration files located?
Is it possible to rename the output file, and if so, how?
What is pseudo-distributed mode?
If the hadoop administrator needs to make a change, which configuration file does he need to change?
Give me an example of document database ?
Which operating system(s) are supported for production hadoop deployment?
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