What are combiners? When should I use a combiner in my MapReduce Job?
No Answer is Posted For this Question
Be the First to Post Answer
MapReduce Types and Formats and Setting up a Hadoop Cluster?
Mention Hadoop core components?
Is it possible to split 100 lines of input as a single split in MapReduce?
Compare Pig vs Hive vs Hadoop MapReduce?
What is the process of changing the split size if there is limited storage space on Commodity Hardware?
What Are Good Use Cases For Impala As Opposed To Hive Or MapReduce?
What is optimal size of a file for distributed cache?
When the reducers are are started in a mapreduce job?
When should you use a reducer?
Where is the output of Mapper written in Hadoop?
Difference between mapreduce and spark
What is an identity mapper and identity reducer?
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)