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Can MapReduce program be written in any language other than Java?
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Map reduce jobs are failing on a cluster that was just restarted. They worked before restart. What could be wrong?
What is the key- value pair in Hadoop MapReduce?
A number of combiners can be changed or not in MapReduce?
How to create a custom key and custom value in MapReduce Job?
Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?
What are combiners? When should I use a combiner in my MapReduce Job?
Explain the differences between a combiner and reducer
What are the configuration parameters in the 'MapReduce' program?
What is a TaskInstance?
What MapReduce framework consists of?
How to submit extra files(jars, static files) for MapReduce job during runtime?
What is a mapreduce algorithm?
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