What happens when the node running the map task fails before the map output has been sent to the reducer?
No Answer is Posted For this Question
Be the First to Post Answer
Why Mapreduce output written in local disk?
What is heartbeat in hdfs? Explain.
Explain about the basic parameters of mapper and reducer function
What do you know about nlineinputformat?
Why can aggregation not be done in Mapper in MapReduce?
Why is Apache Spark faster than Hadoop MapReduce?
What is the need of MapReduce in Hadoop?
Clarify what is shuffling in map reduce?
How hadoop mapreduce works?
What is identity mapper and chain mapper?
What is the need of key-value pair to process the data in MapReduce?
What do you mean by inputformat?
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)