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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)
Define data integrity? How does hdfs ensure data integrity of data blocks stored in hdfs?
What is difference between hive and spark?
Explain the difference between a MapReduce InputSplit and HDFS block?
What is the use of checkpoints in spark?
What is the sequencefileinputformat in hadoop?
Use of import-all-tables command in hadoop sqoop?
What is Spark.executor.memory in a Spark Application?
What are the various levels of persistence in Apache Spark?
What do you understand by schemardd in apache spark rdd?
What are the different components of a Hive query processor?
Is it possible to run Apache Spark without Hadoop?
In MapReduce, ideally how many mappers should be configured on a slave?
Explain the various table design approaches in HBase?
What are the modes in which Hadoop run?
What is lazy evaluation in Spark?
