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- Apache Hadoop (387)
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- Apache Pig (225)
- Apache Spark (991)
- Apache HBase (164)
- Apache Flume (94)
- 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 (188)
- Apache Avro (26)
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- Hadoop General (406)
Is it mandatory to set input and output type/format in MapReduce?
How to set the number of mappers for a MapReduce job?
Define Writable data types in Hadoop MapReduce?
What is the sequence of execution of map, reduce, recordreader, split, combiner, partitioner?
What is shuffling and sorting in Hadoop MapReduce?
Define the Use of MapReduce?
Whether the output of mapper or output of partitioner written on local disk?
How to handle record boundaries in Text files or Sequence files in MapReduce InputSplits?
Explain the process of spilling in MapReduce?
List Hadoop’s three configuration files?
What is Distributed Cache in Hadoop?
What is the relationship between Jobs and Tasks in Hadoop?
Who are ‘Data Scientists’?
Tell me some major benefits of Hadoop?
What is structured and unstructured data?
