What are watches?
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What is HDFS ? How it is different from traditional file systems?
What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?
Can Apache Kafka be used without Zookeeper?
Define fault tolerance?
what are the steps involved in commissioning adding
Explain the basic architecture of Hadoop?
What is Hadoop serialization?
Is it necessary to know java to learn hadoop?
What is the problem with HDFS and streaming data like logs
What are the basic available commands in Hadoop sqoop ?
What does /etc /init.d do?
What is Row Key?
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