What is the block size in Hadoop?
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What is throughput in Hadoop?
After the Map phase finishes, the Hadoop framework does 'Partitioning, Shuffle and sort'. Explain what happens in this phase?
Mention what job does the conf class do?
List out some common problems faced by data analyst?
Is it possible to provide multiple input to Hadoop? If yes then how?
Clarify how ordering in hdfs is finished?
When should be hadoop archive create?
Name the files which are used by the startup and shutdown commands?
If DataNode increases, then do we need to upgrade NameNode?
What is Balancer in Hadoop?
Compare Apache Hadoop and Apache Spark?
Explain the usage of Context Object?
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