How one can change Replication factor when Data is already stored in HDFS
42
Explain HDFS “Write once Read many” pattern?
30
Why is block size set to 128 MB in HDFS?
39
What should be the HDFS Block size to get maximum performance from Hadoop cluster?
35
What is the importance of dfs.namenode.name.dir in HDFS?
53
How one can format Hadoop HDFS?
45
Explain what happens if, during the PUT operation, HDFS block is assigned a replication factor 1 instead of the default value 3?
38
How to format the HDFS? How frequently it will be done?
33
Which one is the master node in HDFS? Can it be commodity hardware?
47
What happens if the block on Hadoop HDFS is corrupted?
56
What is a block in HDFS, why block size 64MB?
51
How NameNode tackle Datanode failures in HDFS?
32
How is indexing done in Hadoop HDFS?
48
How to perform the inter-cluster data copying work in HDFS?
42
What are the main properties of hdfs-site.xml file?
46
