What is inputformat in hadoop?
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What is commodity hardware?
How to enable/configure the compression of map output data in hadoop?
Is map like a pointer?
Does google use hadoop?
What is a block and block scanner in HDFS?
What are combiners and its purpose?
Explain what if rack 2 and datanode fails?
What is the difference between Apache Hadoop and RDBMS?
What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?
Can we have multiple entries in the master files?
What is the purpose of button groups?
On What concept the Hadoop framework works?
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