when hadoop enter in safe mode?


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More Apache Hadoop Interview Questions

If a data Node is full how it's identified?

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What are the hadoop's three configuration files?

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Which are the two types of 'writes' in HDFS?

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How to keep HDFS cluster balanced?

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What is a Record Reader in hadoop?

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Which one is default InputFormat in Hadoop ?

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Explain the use of tasktracker in the hadoop cluster?

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Define streaming?

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What does ‘jps’ command do?

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What is difference between regular file system and HDFS?

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Why do we use HDFS for applications having large data sets and not when there are lot of small files?

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Which files are used by the startup and shutdown commands?

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