Interested to Buy Any Domain ? << Click Here >> for more details...
Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?
- 0 Answers
- 590 Views
- I also Faced
- E-Mail Answers
No Answer is Posted For this Question
Be the First to Post Answer
What are the most commonly defined input formats in Hadoop?
How to use Apache Zookeeper command line interface?
Explain the basic difference between traditional rdbms and hadoop?
What do you mean by taskinstance?
How to change replication factor of files already stored in HDFS?
How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?
What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?
What are the Basics of Hadoop?
What do you know about sequencefileinputformat?
How does master slave architecture in the hadoop?
Can Hadoop be compared to NOSQL database like Cassandra?
Why password is needed in ssh localhost?
-
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)
