Is a job split into maps?
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shouldn't DFS be able to handle large volumes of data already?
Explain Erasure Coding in Apache Hadoop?
What is Safemode in Apache Hadoop?
What is the process to change the files at arbitrary locations in HDFS?
What is Rack awareness?
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?
What is structured data?
What is the sequencefileinputformat in hadoop?
Which are the two types of 'writes' in HDFS?
What are the four characteristics of Big Data?
Do we need to give a password, even if the key is added in ssh?
Why is hadoop faster?
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