What is the problem with HDFS and streaming data like logs
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What is HDFS - Hadoop Distributed File System?
What is unstructured data?
Explain the basic difference between traditional rdbms and hadoop?
What is the sequencefileinputformat in hadoop?
How will format the HDFS ?
What is the purpose of DataNode block scanner?
how is a file of the size 1 GB uncompressed
How can we change the split size if our commodity hardware has less storage space?
Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?
What are the site-specific configuration files in Hadoop?
Is it necessary to know java to learn hadoop?
How to enable/configure the compression of map output data in hadoop?
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