Illustrate a simple example of the working of MapReduce.
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How to set the number of reducers?
Illustrate a simple example of the working of MapReduce.
Mention what is the next step after mapper or maptask?
what is "map" and what is "reducer" in Hadoop?
It can be possible that a Job has 0 reducers?
What platform and Java version is required to run Hadoop?
In MapReduce Data Flow, when Combiner is called?
How is mapreduce related to cloud computing?
how JobTracker schedules a task ?
How can we assure that the values regarding a particular key goes to the same reducer?
how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?
Difference between mapreduce and spark
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Apache Hadoop (394) - MapReduce (354)
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- Apache Pig (225)
- Apache Spark (991)
- Apache HBase (164)
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- Apache Mahout (35)
- Apache Sqoop (82)
- Apache ZooKeeper (65)
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- Apache Kafka (189)
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