Apache HDFS Hadoop Distributed File System Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache HDFS Hadoop Distributed File System Interview Questions

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Why do we need hdfs?

What is hdfs in big data?

Explain how are file systems checked in hdfs?

How are file systems checked in hdfs?

Un-Answered Questions { Apache HDFS Hadoop Distributed File System }

What is HDFS?

Can you change the block size of hdfs files?

Can multiple clients write into a Hadoop HDFS file concurrently?

What should be the HDFS Block size to get maximum performance from Hadoop cluster?

What is NameNode and DataNode in HDFS?

Explain the hdfs architecture and list the various hdfs daemons in hdfs cluster?

How to transfer data from Hive to HDFS?

Can multiple clients write into an HDFS file concurrently?

What is a block in HDFS, why block size 64MB?

Why does hive not store metadata information in hdfs?

What happens when two clients try to access the same file on HDFS?

185

How does data transfer happen from hdfs to hive?

148

How to split single hdfs block into partitions rdd?

How data or file is written into HDFS?

What is the difference between an input split and hdfs block?

102

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