Why aggregation cannot be done in Mapper?
No Answer is Posted For this Question
Be the First to Post Answer
What is meant by streaming access?
What sorts of actions does the job tracker process perform?
How many InputSplits will be made by hadoop framework?
What are the important modes of hadoop?
List of some best tools that can be useful for data-analysis?
Give me examples of unstructured data?
How to use combiner in hadoop ?
Define “speculative execution” in hadoop?
Mention what job does the conf class do?
What are the benefits yarn brings in to hadoop?
What is 'jps'?
What are 'slaves' and 'masters' in Hadoop?
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)