What is Hadoop HDFS – Hadoop Distributed File System?
38
How to change the replication factor of data which is already stored in HDFS?
34
How to copy a file into HDFS with a different block size to that of existing block size configuration?
32
Can multiple clients write into an HDFS file concurrently?
63
Why is block size set to 128 MB in Hadoop HDFS?
64
Does HDFS allow a client to read a file which is already opened for writing?
41
How HDFS client divide the file into the block while storing inside HDFS?
60
What is the difference between Input Split and an HDFS Block?
69
What is NameNode and DataNode in HDFS?
47
Why HDFS stores data using commodity hardware despite the higher chance of failures?
34
What are file permissions in HDFS and how HDFS check permissions for files or directory?
36
How data or file is written into HDFS?
50
What is throughput? How does HDFS get a good throughput?
46
What is the benifit of Distributed cache, why can we just have the file in HDFS and have the application read it?
42
