Main Components of Hadoop?
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Explain the use of tasktracker in the hadoop cluster?
How to configure hadoop to reuse JVM for mappers?
did you maintain the hadoop cluster in-house or used hadoop in the cloud?
What problems can be addressed by using Zookeeper?
What are the port numbers of namenode, job tracker and task tracker?
what factors the block size takes before creation?
What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?
What is Apache Hadoop YARN?
Is hadoop the future?
What are the two main parts of the hadoop framework?
What is a Secondary Namenode? Is it a substitute to the Namenode?
What are the steps to submit a Hadoop job?
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