What type of data hadoop can handle ?
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Where are Hadoop’s configuration files located?
Doesn’t google have its very own version of dfs?
What are the limitations of Hadoop?
How can one check whether NameNode is working or not?
What is Small File Problem in Hadoop? How can it be resolved?
What is difference between secondary namenode, checkpoint namenode & backupnode?
Do we require two servers for the namenode and the datanodes?
How would an hadoop administrator deploy various components of hadoop in production?
Can you explain sequence file in hadoop?
If no custom partitioner is defined in Hadoop then how is data partitioned before it is sent to the reducer?
Explain how Hadoop cluster hardware planning and provisioning is done?
What is a namenode?
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