Recent questions tagged Hadoop

+1 vote

Q: Which of the following option allows users to read or write Avro data as Hive tables?

asked Jan 13, 2023 in Hadoop by john ganales

0 votes

Q: What is the shortcut for DUMP operator?

asked Jan 13, 2023 in Hadoop by john ganales

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Q: . ................. operator is used to view the map reduce execution plans.

asked Jan 13, 2023 in Hadoop by john ganales

0 votes

Q: Pig operates in mainly ......... nodes?

asked Jan 13, 2023 in Hadoop by john ganales

+1 vote

Q: Which of the following command is used to copy file or directories recursively?

asked Jan 13, 2023 in Hadoop by john ganales

+2 votes

Q: Which of the following is the most popular NoSQL database for scalable big data store with Hadoop?

asked Jan 13, 2023 in Hadoop by john ganales

+1 vote

Q: Which of the following command is used to check the status of all daemons running in the HDFS?

asked Jan 13, 2023 in Hadoop by john ganales

0 votes

Q: Pick out the correct statement.

asked Jan 13, 2023 in Hadoop by john ganales

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Q: Hadoop was written in

asked Jan 13, 2023 in Hadoop by john ganales

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Q: What is the difference between Cassandra, Hadoop Big Data, MongoDB, CouchDB?

asked Jan 2, 2023 in Cassandra by sharadyadav1986

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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

0 votes

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

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