Explain the hdfs architecture and list the various hdfs daemons in hdfs cluster?
What is the difference between NAS and HDFS?
How to restart NameNode or all the daemons in Hadoop HDFS?
Why is HDFS only suitable for large data sets and not the correct tool to use for many small files?
What is Hadoop Distributed File System- HDFS?
How to remove safemode of namenode forcefully in HDFS?
Explain HDFS “Write once Read many” pattern?
Does HDFS allow a client to read a file which is already opened for writing in hadoop?
What is a task tracker?
What is a rack awareness algorithm and why is it used in hadoop?
Compare hbase vs hdfs?
Why is block size set to 128 MB in Hadoop HDFS?
Which classes are used by the hive to read and write hdfs files?
How does HDFS Index Data blocks? Explain.
how does hdfs ensure data integrity of data blocks stored in hadoop hdfs?
