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What is sqoop in Hadoop ?
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How can we assure that the values regarding a particular key goes to the same reducer?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
What is the key- value pair in MapReduce?
If reducers do not start before all mappers finish then why does the progress on mapreduce job shows something like map(50%) reduce(10%)? Why reducers progress percentage is displayed when mapper is not finished yet?
How to handle record boundaries in Text files or Sequence files in MapReduce InputSplits?
What are the benefits of Spark over MapReduce?
Is it possible to split 100 lines of input as a single split in MapReduce?
Define MapReduce?
Explain how mapreduce works.
Explain the features of Apache Spark because of which it is superior to Apache MapReduce?
What comes in Hadoop 2.0 and MapReduce V2 YARN
What are the data components used by Hadoop?
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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)
