What happens if the block on Hadoop HDFS is corrupted?
What is a block in HDFS, why block size 64MB?
How NameNode tackle Datanode failures in HDFS?
How is indexing done in Hadoop HDFS?
How to perform the inter-cluster data copying work in HDFS?
What are the main properties of hdfs-site.xml file?
Describe HDFS Federation?
What is active and passive NameNode in HDFS?
Does HDFS allow a client to read a file which is already opened for writing in hadoop?
How data or file is read in Hadoop HDFS?
How HDFS helps NameNode in scaling in Hadoop?
What is Fault Tolerance in Hadoop HDFS?
How can one copy a file into HDFS with a different block size to that of existing block size configuration?
What is a Block Scanner in HDFS?
Differentiate HDFS & HBase?
