Interested to Buy Any Domain ? << Click Here >> for more details...
What are ‘maps’ and ‘reduces’?
- 0 Answers
- 746 Views
- I also Faced
- E-Mail Answers
No Answer is Posted For this Question
Be the First to Post Answer
More MapReduce Interview Questions
What is a MapReduce Combiner?
How to create custom key and custom value in MapReduce Job?
Why Mapreduce output written in local disk?
what is a sequence file in Hadoop?
Explain what is the function of mapreduce partitioner?
What is Distributed Cache in the MapReduce Framework?
what are the main configuration parameters that user need to specify to run Mapreduce Job ?
What are the steps involved in MapReduce framework?
MapReduce Types and Formats and Setting up a Hadoop Cluster?
What does a 'MapReduce Partitioner' do?
What are mapreduce new and old apis while writing map reduce program?. Explain how it works
Explain combiners.
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)
