Is reduce-only job possible in Hadoop MapReduce?
- 0 Answers
- 488 Views
- I also Faced
- E-Mail Answers
Explain what combiners are and when you should use a combiner in a mapreduce job?
How to create custom key and custom value in MapReduce Job?
what are the basic parameters of a Mapper?
How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?
what does the conf.setMapper Class do ?
Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
Explain InputSplit in Hadoop MapReduce?
Explain what is “map” and what is "reducer" in hadoop?
How to get the single file as the output from MapReduce Job?
Is it possible to split 100 lines of input as a single split in MapReduce?
Is it possible to rename the output file?
What is the role of a MapReduce partitioner?
-
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)
