What is difference between reducer and combiner?
No Answer is Posted For this Question
Be the First to Post Answer
Mention what are the most common input formats defined in hadoop?
What do you understand by unit and ()in scala?
Which modes can Hadoop be run in? List a few features for each mode?
What is 'jps'?
Compare Hadoop 2 and Hadoop 3?
Why cloudera is used?
How jobtracker assign tasks to the tasktracker?
Clarify what is sequence file input format?
What do you think about the speculative execution?
When should be hadoop archive create?
Specify what the information segments utilized by hadoop are?
How many maps are there in a particular job?
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)