What is Slot in Hadoop v1? Why was it removed from Hadoop v2?
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How many daemon processes run on a hadoop cluster?
What is Rack Awareness? What is its need in Hadoop?
What type of data hadoop can handle ?
What are the core methods of a Reducer?
Define a record reader?
Explain the common input formats in hadoop?
What is the most widely recognized info formats characterized in hadoop?
Can you give some examples of Big Data?
What are the core components of Hadoop?
What is the basic difference between traditional RDBMS and Hadoop?
How many datanodes can run on a single Hadoop cluster?
Give a brief overview of Hadoop history?
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)