What is HDFS Block size? How is it different from traditional file system block size?
How can we change the split size if our commodity hardware has less storage space?
What are the most commonly defined input formats in Hadoop?
What is the function of ApplicationMaster?
What does the command mapred.job.tracker do?
Can we have multiple entries in the master files?
Which files are used by the startup and shutdown commands?
What do you know about nlineoutputformat?
What is Schema on Read and Schema on Write?
What is difference between split and block in hadoop?
In which location Name Node stores its Metadata and why?
What are the hadoop's three configuration files?
Is hadoop based on google mapreduce?
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