Top 100+ questions and answers in HDFS

0 votes

Q: Why does Hive not store metadata information in HDFS?

answered Dec 3, 2020 in HDFS by sharadyadav1986

0 votes

Q: Is there any way to change the replication of files on HDFS after they are already written to HDFS?

answered Nov 24, 2020 in HDFS by sharadyadav1986

0 votes

Q: Who takes care of replication consistency in a Hadoop cluster and what do under/over replicated blocks mean?

answered Nov 24, 2020 in HDFS by sharadyadav1986

0 votes

Q: What is the distributed cache in MapReduce?

answered Nov 24, 2020 in HDFS by sharadyadav1986

0 votes

Q: What role do RecordReader, Combiner, and Partitioner play in a MapReduce operation?

answered Nov 24, 2020 in HDFS by sharadyadav1986

0 votes

Q: Why is MapReduce slower in processing data in comparison to other processing frameworks?

answered Nov 24, 2020 in HDFS by sharadyadav1986

0 votes

Q: Is it possible to change the number of mappers to be created in a MapReduce job?

answered Nov 24, 2020 in HDFS by sharadyadav1986

0 votes

Q: Name some Hadoop-specific data types that are used in a MapReduce program.

answered Nov 24, 2020 in HDFS by sharadyadav1986

0 votes

Q: What are the major configuration parameters required in a MapReduce program?

answered Nov 24, 2020 in HDFS by sharadyadav1986

0 votes

Q: What is Rack Awareness?

answered Nov 8, 2020 in HDFS by sharadyadav1986

0 votes

Q: How data or file is read in HDFS?

answered Nov 7, 2020 in HDFS by rahuljain1

0 votes

Q: How is indexing done in HDFS?

answered Nov 7, 2020 in HDFS by rahuljain1

0 votes

Q: Explain Heartbeat in HDFS?

answered Nov 7, 2020 in HDFS by rahuljain1

0 votes

Q: What is the default replication factor and how will you change it?

answered Nov 7, 2020 in HDFS by rahuljain1

0 votes

Q: What is Fault Tolerance in HDFS?

answered Nov 7, 2020 in HDFS by rahuljain1

0 votes

Q: Flume Architecture

asked Jun 20, 2020 in HDFS by Robindeniel

0 votes

Q: What are the core components of Hadoop?

answered Jun 8, 2020 in HDFS by sharadyadav1986

0 votes

Q: What are the key features of HDFS?

answered Jun 8, 2020 in HDFS by sharadyadav1986

0 votes

Q: Explain the HDFS Architecture and list the various HDFS daemons in HDFS cluster?

answered Jun 8, 2020 in HDFS by sharadyadav1986

0 votes

Q: What is checkpointing in Hadoop?

answered Jun 8, 2020 in HDFS by sharadyadav1986

To see more, click for all the questions in this category.

...