Recent questions tagged hadoop

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What is your experience with distributed computing frameworks like Hadoop or Spark?

asked Jun 22 in Data Analytics by SakshiSharma

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At times you get a connection refused Java Exception when you run the file system check command Hadoop fsck?

asked Jun 26, 2023 in Hadoop by Robindeniel

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What is configuration of a typical Slave Node on Hadoop Cluster and how many Jvms run on a Slave Node?

asked Jun 23, 2023 in HDFS by rajeshsharma

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What is a task instance in Hadoop and where does it run?

asked Jun 23, 2023 in HDFS by rajeshsharma

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What is a Task Tracker in Hadoop and how many instances of Task Tracker run on a Hadoop Cluster?

asked Jun 23, 2023 in HDFS by rajeshsharma

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What is the difference between Gen1 and Gen2 Hadoop with regards to the NameNode?

asked Jun 23, 2023 in HDFS by rajeshsharma

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Since the data is replicated thrice in Hdfs so does it mean that any calculation done on One Node will also be replicated on the other Two?

asked Jun 22, 2023 in Hadoop by rajeshsharma

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Can you give some examples of Big Data?

asked Jun 22, 2023 in Hadoop by rajeshsharma

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What is a NameNode and how many instances of NameNode run on a Hadoop Cluster?

asked Jun 22, 2023 in HDFS by rajeshsharma

+1 vote

What is the Hadoop Mapreduce api contract for a Key and Value Class?

asked Jun 21, 2023 in Hadoop by sharadyadav1986

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asked Jun 21, 2023 in Hadoop by sharadyadav1986

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Explain how input and output data format of the Hadoop Framework?

asked Jun 20, 2023 in HDFS by john ganales

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Why Hadoop Framework reads a file parallel why not sequential?

asked Jun 20, 2023 in HDFS by Robin

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What is Hadoop Streaming?

asked Jun 18, 2023 in Hadoop by Robindeniel

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What do you know about Input Format?

asked Feb 17, 2023 in Hadoop by sharadyadav1986

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Briefly list out the different configuration parameters that are required to perform the job of the MapReduce framework?

asked Feb 17, 2023 in Hadoop by sharadyadav1986

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Is Hadoop a graph database?

asked Jan 28, 2023 in Neo4j by john ganales

+1 vote

How many formats of SequenceFile are present in Hadoop I/O?

asked Jan 13, 2023 in Hadoop by john ganales

+1 vote

Hadoop is distributed under .................

asked Jan 13, 2023 in Hadoop by john ganales

+1 vote

The heartbeat signal are sent from ................

asked Jan 13, 2023 in Hadoop by john ganales

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