What do shuffling do?
No Answer is Posted For this Question
Be the First to Post Answer
did you maintain the hadoop cluster in-house or used hadoop in the cloud?
How is the distance between two nodes defined in Hadoop?
What is a Task instance in Hadoop? Where does it run?1
What is Derby database?
What happens to a namenode, when job tracker is down?
How many instances of JobTracker can run on a Hadoop Cluser?
What is safe mode in Hadoop?
What is NoSQL?
What is a namenode? How many instances of namenode run on a hadoop cluster?
Explain what is the purpose of RecordReader in Hadoop?
What is the heartbeat used for?
How we can take Hadoop out of Safe Mode?
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)