Did you ever ran into a lop sided job that resulted in out of memory error
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What is the difference between Hadoop and Traditional RDBMS?
what factors the block size takes before creation?
Define a job tracker?
What are the modules that constitute the Apache Hadoop 2.0 framework?
On what basis name node distribute blocks across the data nodes?
How can we change the split size if our commodity hardware has less storage space?
Can we do online transactions(oltp) using hadoop?
How does master slave architecture in the hadoop?
Explain the difference between gen1 and gen2 hadoop with regards to the namenode?
How many instances of a jobtracker run on hadoop cluster?
What does the command mapred.job.tracker do?
What is HDFS Federation?
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