Can Apache Kafka be used without Zookeeper?
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What mechanism does hadoop framework provides to synchronize changes made in distribution cache during runtime of the application?
What is partioner in hadoop? Where does it run,mapper or reducer?
Does this lead to security issues?
What is commodity hardware?
Define a commodity hardware? Does commodity hardware include ram?
explain Metadata in Namenode?
Define streaming access?
What does ‘jps’ command do?
How do you categorize a big data?
Why password is needed in ssh localhost?
How the Client communicates with HDFS?
Explain how do ‘map’ and ‘reduce’ works?