What is a Task instance in Hadoop? Where does it run?1


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More Apache Hadoop Interview Questions

Does this lead to security issues?

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Define streaming access?

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Explain what if rack 2 and datanode fails?

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What should be the ideal replication factor in Hadoop Cluster?

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What is hbase in hadoop?

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What is small file problem in hadoop?

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What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?

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what is meaning Replication factor?

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What is 'Key value pair' in HDFS?

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What is the meaning of speculative execution in Hadoop? Why is it important?

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Can you give us some more details about ssh communication between masters and the slaves?

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Explain the Job OutputFormat?

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