How many Mappers run for a MapReduce job?
No Answer is Posted For this Question
Be the First to Post Answer
Explain combiners.
How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?
What is an identity mapper and identity reducer?
Can we rename the output file?
What are the various configuration parameters required to run a mapreduce job?
What are the main components of MapReduce Job?
How much space will the split occupy in Mapreduce?
What do you understand by the term Straggler ?
What is shuffleing in mapreduce?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
When is it not recommended to use MapReduce paradigm for large
what are the three modes in which Hadoop can be run?
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)