When the reducers are are started in a mapreduce job?
- 0 Answers
- 345 Views
- I also Faced
- E-Mail Answers
No Answer is Posted For this Question
Be the First to Post Answer
How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?
what is JobTracker in Hadoop? What are the actions followed by Hadoop?
What is the utility of using Writable Comparable Custom Class in Map Reduce code?
What is the need of MapReduce?
Map reduce jobs are failing on a cluster that was just restarted. They worked before restart. What could be wrong?
Is it mandatory to set input and output type/format in MapReduce?
What do you understand by the term Straggler ?
How to write MapReduce Programs?
When should you use sequencefileinputformat?
In Map Reduce why map write output to Local Disk instead of HDFS?
What is a partitioner and how the user can control which key will go to which reducer?
What are the identity mapper and reducer in MapReduce?
-
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)
