Define data integrity? How does hdfs ensure data integrity of data blocks stored in hdfs?
39
What is throughput? How does hdfs provides good throughput?
48
Replication causes data redundancy and consume a lot of space, then why is it pursued in hdfs?
31
Define hadoop archives? What is the command for archiving a group of files in hdfs.
21
What is the difference between nas (network attached storage) and hdfs?
39
What is the problem in having lots of small files in hdfs?
34
Can you change the block size of hdfs files?
32
Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?
455
Explain about the indexing process in hdfs?
53
Explain what is difference between an input split and hdfs block?
44
Replication causes data redundancy then why is pursued in hdfs?
36
Since the data is replicated thrice in hdfs, does it mean that any calculation done on one node will also be replicated on the other two?
28
If a particular file is 50 mb, will the hdfs block still consume 64 mb as the default size?
20
What is the difference between an hdfs block and input split?
64
