Recent questions tagged Hadoop

0 votes

Q: Is sqoop same as to distcp in hadoop?

asked Dec 22, 2022 in Sqoop by SakshiSharma

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Q: How will you manually enter and leave Safe Mode in Hadoop?

asked Dec 21, 2022 in HDFS by Robin

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Q: What do you understand by Safe Mode in Hadoop?

asked Dec 21, 2022 in HDFS by Robin

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Q: If there are 10 HDFS blocks to be copied from one machine to another. However, the other machine can copy only 7.5 blocks, is there a possibility for the blocks to be broken down during the time of replication?

asked Dec 20, 2022 in Hadoop by john ganales

+2 votes

Q: What do you mean by “Heartbeat” in HDFS?

asked Dec 20, 2022 in Hadoop by john ganales

+2 votes

Q: What are the major difference between an HDFS block and an InputSplit.

asked Dec 20, 2022 in Hadoop by john ganales

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Q: What is distributed cache and what are its benefits?

asked Dec 20, 2022 in Hadoop by john ganales

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Q: What ae the the functioning of Master Slave architecture in Hadoop?

asked Dec 20, 2022 in Hadoop by john ganales

+1 vote

Q: Did you ever built a production process in Hadoop? If yes, what was the process when your Hadoop job fails due to any reason?

asked Dec 20, 2022 in Hadoop by john ganales

+1 vote

Q: What will a Hadoop job do if developers try to run it with an output directory that is already present?

asked Dec 20, 2022 in Hadoop by john ganales

+3 votes

Q: How is NFS different from HDFS?

asked Nov 25, 2022 in Hadoop by john ganales

+3 votes

Q: How do you deploy a Big Data solution?

asked Nov 25, 2022 in Hadoop by john ganales

+3 votes

Q: What are the different tombstone markers used for deletion purposes in HBase.

asked Nov 25, 2022 in Data Analytics by john ganales

+3 votes

Q: Explain the core methods of a Reducer.

asked Nov 25, 2022 in Hadoop by john ganales

+3 votes

Q: What are some of the data management tools used with Edge Nodes in Hadoop?

asked Nov 25, 2022 in Hadoop by john ganales

+3 votes

Q: What are Edge Nodes in Hadoop?

asked Nov 25, 2022 in Hadoop by john ganales

+3 votes

Q: What do you mean by indexing in HDFS?

asked Nov 25, 2022 in Hadoop by john ganales

+3 votes

Q: What are the different features of Hadoop.

asked Nov 25, 2022 in Hadoop by john ganales

+3 votes

Q: Why do we need Hadoop for Big Data Analytics?

asked Nov 25, 2022 in Big Data | Hadoop by john ganales

+2 votes

Q: What is the purpose of the JPS command in Hadoop?

asked Nov 25, 2022 in Big Data | Hadoop by john ganales

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