What is the sequence of execution of map, reduce, recordreader, split, combiner, partitioner?
No Answer is Posted For this Question
Be the First to Post Answer
How to create custom key and custom value in MapReduce Job?
How to create a custom key and custom value in MapReduce Job?
Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?
what are the most common input formats defined in Hadoop?
what daemons run on a master node and slave nodes?
what is a Task Tracker in Hadoop?
What are ‘maps’ and ‘reduces’?
Compare RDBMS with Hadoop MapReduce.
What is the key- value pair in MapReduce?
What is Text Input Format?
What happens when a DataNode fails during the write process?
Map reduce jobs take too long. What can be done to improve the performance of the cluster?
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)