Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
- 0 Answers
- 1025 Views
- I also Faced
- E-Mail Answers
Explain task granularity
What is Counter in MapReduce?
How can we assure that the values regarding a particular key goes to the same reducer?
Developing a MapReduce Application?
What happens if the quantity of the reducer is 0 in mapreduce?
Does mapreduce programming model provide a way for reducers to communicate with each other? In a mapreduce job can a reducer communicate with another reducer?
Mention what is the next step after mapper or maptask?
Explain what combiners are and when you should use a combiner in a mapreduce job?
What platform and Java version is required to run Hadoop?
How to set the number of mappers to be created in MapReduce?
Explain about the basic parameters of mapper and reducer function
When should you use sequencefileinputformat?
-
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)
