| Can MapReduce program be written in any language other than Java? |
| Compare MapReduce and Spark |
| Define Writable data types in MapReduce. |
| Explain job scheduling through JobTracker. |
| Explain JobConf in MapReduce. |
| How to set mappers and reducers for Hadoop jobs? |
| How to set which framework would be used to run mapreduce program? |
| Illustrate a simple example of the working of MapReduce. |
| Name Job control options specified by MapReduce. |
| What are the key differences between Pig vs MapReduce? |
| What are the main components of MapReduce Job? |
| What are the parameters of mappers and reducers? |
| What is a “map” in Hadoop? |
| What is a “reducer” in Hadoop? |
| What is a MapReduce Combiner? |
| What is Identity Mapper and Chain Mapper? |
| What is InputFormat in Hadoop? |
| What is MapReduce? |
| What is OutputCommitter? |
| What is Partitioner and its usage? |
| What is partitioning? |
| What is RecordReader in a Map Reduce? |
| What is SequenceFileInputFormat? |
| What is Shuffling and Sorting in MapReduce? |
| What is Text Input Format? |
| What is the difference between HDFS block and InputSplit? |
| What main configuration parameters are specified in MapReduce? |
| What platform and Java version is required to run Hadoop? |
08 November 2020
#MapReduce
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