What is the difference between rdbms and hadoop?
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Why do we use HDFS for applications having large data sets and not when there are lot of small files?
What is the difference between hadoop and other data processing tools?
what is difference between int and intwritable?
How can one increase replication factor to a desired value in Hadoop?
how is a file of the size 1 GB uncompressed
Command to format the NameNode?
Explain the hadoop-core configuration?
How many maximum jvm can run on a slave node?
Why do we need a password-less ssh in fully distributed environment?
What is Disk Balancer in Apache Hadoop?
How to enable/configure the compression of map output data in hadoop?
Is it necessary to write jobs for hadoop in the java language?
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