Mention what is data cleansing?
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How can native libraries be included in yarn jobs?
Why do we need Hadoop Archives? How is it created?
How to do ‘map’ and ‘reduce’ works?
What are the Hadoop features extended to its eco-system components ?
Explain what is hadoop?
What are the Features of Hadoop?
Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?
Clarify what is sqoop in hadoop?
Ideally what should be the block size in hadoop?
How often DataNode send heartbeat to NameNode in Hadoop?
What is CAP Theorem? What aspects does Hadoop support from this theorem?
Explain Hadoop Archives?
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Apache Pig (225)
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Apache Mahout (35)
Apache Sqoop (82)
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Apache HCatalog (34)
Apache HDFS Hadoop Distributed File System (214)
Apache Kafka (189)
Apache Avro (26)
Apache Presto (15)
Apache Tajo (26)
Hadoop General (407)