Interested to Buy Any Domain ? << Click Here >> for more details...
what job does the conf class do?
- 0 Answers
- 840 Views
- I also Faced
- E-Mail Answers
No Answer is Posted For this Question
Be the First to Post Answer
How would you tackle calculating the number of unique visitors for each hour by mining a huge apache log? You can use post processing on the output of the mapreduce job.
how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?
what are the most common input formats defined in Hadoop?
Differentiate Reducer and Combiner in Hadoop MapReduce?
Why Mapper runs in heavy weight process and not in a thread in MapReduce?
How does Mappers run method works?
Can we set the number of reducers to zero in MapReduce?
In MapReduce Data Flow, when Combiner is called?
What is an identity mapper and identity reducer?
What is partitioning in MapReduce?
What is a "reducer" in Hadoop?
What does conf.setmapper class do?
-
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)
