Is it mandatory to set input and output type/format in MapReduce?
- 0 Answers
- 542 Views
- I also Faced
- E-Mail Answers
More MapReduce Interview Questions
Define Writable data types in Hadoop MapReduce?
Why comparison of types is important for MapReduce?
How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?
what job does the conf class do?
what does the conf.setMapper Class do ?
Where is the output of Mapper written in Hadoop?
What is the difference between map and reduce?
What happens if the quantity of the reducer is 0 in mapreduce?
In MapReduce, ideally how many mappers should be configured on a slave?
What is heartbeat in hdfs?
What are the primary phases of a Reducer?
What is the data storage component used by Hadoop?
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)
