Why is HDFS only suitable for large data sets and not the correct tool to use for many small files?1
What is the difference between NAS and HDFS?
What is a block in Hadoop HDFS? What should be the block size to get optimum performance from the Hadoop cluster?
Why HDFS performs replication, although it results in data redundancy?
What do you mean by metadata in HDFS?
What are the main hdfs-site.xml properties?
What does hdfs mean?
How would you import data from MYSQL into HDFS ?
What is the difference betwaeen mapreduce engine and hdfs cluster?
What is the module in HDFS?
What do you mean by the high availability of a namenode?
Hdfs stores data using commodity hardware which has higher chances of failures. So, how hdfs ensures the fault tolerance capability of the system?
How to read file in HDFS?
Explain NameNode and DataNode in HDFS?
Why is Reading done in parallel and writing is not in HDFS?
Distinguish HDFS Block and Input Unit?