Recent questions tagged namenode

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How NameNode handles DataNode failures?

asked Jun 23, 2023 in HDFS by rajeshsharma

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Do we require two servers for the NameNode and the DataNodes?

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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On what basis NameNode will decide which DataNode to write on?

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

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How does a NameNode handle the failure of the Data Nodes?

asked Jun 21, 2023 in Hadoop by sharadyadav1986

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What data is stored in a HDFS NameNode?

asked Jun 18, 2023 in Hadoop by Robindeniel

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Explain what you understand by the term NameNode in Hadoop?

asked Feb 17, 2023 in Hadoop by sharadyadav1986

+1 vote

How many times do you need to reformat the namenode?

asked Oct 29, 2022 in Hadoop by SakshiSharma

+1 vote

What happens when the NameNode is down?

asked Oct 29, 2022 in Hadoop by SakshiSharma

+1 vote

Explain how you will restart a NameNode?

asked Oct 29, 2022 in Hadoop by SakshiSharma

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What is the Importance of the namenode?

asked Oct 29, 2022 in Hadoop by SakshiSharma

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The minimum amount of data that HDFS can read or write is called a _____________.

asked Jul 28, 2021 in HDFS by SakshiSharma

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________ NameNode is used when the Primary NameNode goes down.

asked Jul 28, 2021 in HDFS by SakshiSharma

+1 vote

NameNode tries to keep the first copy of data nearest to the client machine.

asked Jun 27, 2021 in HDFS by Robindeniel

+1 vote

Which of the following is/are correct?

asked Jun 27, 2021 in HDFS by Robindeniel

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Which of the following is NOT a type of metadata in NameNode?

asked Jun 27, 2021 in HDFS by Robindeniel

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