What is your favourite tool in the hadoop ecosystem?
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Rack awareness of Namenode?
If a data Node is full how it's identified?
Why password is needed in ssh localhost?
How is the option in Hadoop to skip the bad records?
How indexing is done in HDFS?
Command to format the NameNode?
Which are the two types of 'writes' in HDFS?
How to configure hadoop to reuse JVM for mappers?
Is secondary namenode a substitute to the namenode?
Explain Erasure Coding in Apache Hadoop?
Do we need to give a password, even if the key is added in ssh?
Is hadoop based on google mapreduce?