Describe HDFS Federation?
26
What is active and passive NameNode in HDFS?
108
Does HDFS allow a client to read a file which is already opened for writing in hadoop?
31
How data or file is read in Hadoop HDFS?
26
How HDFS helps NameNode in scaling in Hadoop?
36
What is Fault Tolerance in Hadoop HDFS?
31
How can one copy a file into HDFS with a different block size to that of existing block size configuration?
38
What is a Block Scanner in HDFS?
83
Differentiate HDFS & HBase?
30
How data or file is written into Hadoop HDFS?
24
In HDFS, how Name node determines which data node to write on?
42
What is Secondary NameNode in Hadoop HDFS?
54
How to restart NameNode or all the daemons in Hadoop HDFS?
34
Why HDFS performs replication, although it results in data redundancy in Hadoop?
28
Can multiple clients write into a Hadoop HDFS file concurrently?
35
