What is identity mapper and reducer? In which cases can we use them?

Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

What is identity mapper and reducer? In which cases can we use them?

Question Posted / money taygi

0 Answers
1010 Views
I also Faced
E-Mail Answers

No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More MapReduce Interview Questions

What is InputFormat in Hadoop MapReduce?

What do sorting and shuffling do?

What main configuration parameters are specified in mapreduce?

Where is Mapper output stored?

What is Mapper in Hadoop MapReduce?

When Namenode is down what happens to job tracker?

How to optimize MapReduce Job?

What is the default value of map and reduce max attempts?

What do you mean by shuffling and sorting in MapReduce?

what is a Task Tracker in Hadoop?

How do Hadoop MapReduce works?

what job does the conf class do?

For more MapReduce Interview Questions Click Here

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)