What is MapReduce?
- 1 Answers
- 1351 Views
- I also Faced
- E-Mail Answers
What is MapReduce?..
Answer / bindu
It is data processing layer of hadoop.map and reduce are the two tasks for processing data in hadoop.
| Is This Answer Correct ? | 0 Yes | 0 No |
More MapReduce Interview Questions
Explain the Reducer's Sort phase?
What are the various input and output types supported by mapreduce?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
What is the difference between HDFS block and input split?
What is Hadoop Map Reduce ?
What is Reduce only jobs?
How is mapreduce related to cloud computing?
what does the conf.setMapper Class do ?
Is it mandatory to set input and output type/format in MapReduce?
How many Reducers run for a MapReduce job in Hadoop?
How to create custom key and custom value in MapReduce Job?
What is heartbeat in hdfs?
Categories
-
Apache Hadoop (394) - MapReduce (354)
- Apache Hive (345)
- Apache Pig (225)
- Apache Spark (991)
- Apache HBase (164)
- Apache Flume (95)
- Apache Impala (72)
- Apache Cassandra (392)
- Apache Mahout (35)
- Apache Sqoop (82)
- Apache ZooKeeper (65)
- Apache Ambari (93)
- 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)
