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What should be the HDFS Block size to get maximum performance from Hadoop cluster?
What is the difference between Input Split and an HDFS Block?
Is namenode also a commodity?
Since the data is replicated thrice in hdfs, does it mean that any calculation done on one node will also be replicated on the other two?
Does HDFS allow a client to read a file which is already opened for writing in hadoop?
How to use hdfs put command for data transfer from flume to hdfs?
What is Secondary NameNode in Hadoop HDFS?
What is Hadoop HDFS – Hadoop Distributed File System?
What is throughput? How does HDFS get a good throughput?
Characterize data integrity? How does hdfs ensure information integrity of data blocks squares kept in hdfs?
What is a rack awareness algorithm and why is it used in hadoop?
What is Block in HDFS?
Describe HDFS Federation?
If I create a folder in HDFS, will there be metadata created corresponding to the folder? If yes, what will be the size of metadata created for a directory?
What is Fault Tolerance in Hadoop HDFS?
