How many times combiner is called on a mapper node in Hadoop?
No Answer is Posted For this Question
Be the First to Post Answer
what does the text input format do?
Detail description of the Reducer phases?
What is the need of key-value pair to process the data in MapReduce?
what does the conf.setMapper Class do ?
How to set mappers and reducers for MapReduce jobs?
How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?
Differentiate Reducer and Combiner in Hadoop MapReduce?
Describe what happens to a mapreduce job from submission to output?
What are the advantages of using map side join in mapreduce?
Why is Apache Spark faster than Hadoop MapReduce?
How can we control particular key should go in a specific reducer?
With the help of two examples name the map and reduce function purpose
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)