Why do we use HDFS for applications having large data sets and not when there are lot of small files?1 1173
What are the functions of NameNode?1 674
Which one is default InputFormat in Hadoop ?1 808
How does master slave architecture in the hadoop?
Explain Erasure Coding in Apache Hadoop?
What are channel selectors?
What if rack 2 and datanode fails?
Why password is needed in ssh localhost?
What is structured data?
Explain what happens in textinformat ?
What is HDFS ? How it is different from traditional file systems?
What is inputsplit in hadoop? Explain.
What is the default block size in hdfs?
What is output format in hadoop?
what is the typical block size of an HDFS block?
What is the full form of fsck?
What is the use of combiners in the hadoop framework?
What is Rack Awareness in Apache Hadoop?