How many instances of tasktracker run on a hadoop cluster?


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More Apache Hadoop Interview Questions

Explain the hadoop configuration files at present?

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What is crontab? Explain with suitable example?

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what is the typical block size of an HDFS block?

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What do masters consist of?

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Can Hadoop be compared to NOSQL database like Cassandra?

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Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?

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How can I install Cloudera VM in my system?

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What are the two main components of ResourceManager?

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What do shuffling do?

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What is commodity hardware?

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What is the heartbeat used for?

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did you maintain the hadoop cluster in-house or used hadoop in the cloud?

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