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)
What is a Combiner?
Is there any difference between FileSink and FileRollSink?
Why can we not create directory /user/dataflair/inpdata001 when name node is in safe mode?
What is the difference between sqoop and hive?
What is heartbeat in hdfs?
Is hadoop open source?
What is PageRank in Spark?
How to Administering Hadoop?
What are the features of Standalone (local) mode?
Why is Hive not suitable for OLTP systems?
What is the purpose of ‘dump’ keyword in Pig?
How many types of nosql databases?
What is streaming access?
Do we need to give a password, even if the key is added in ssh?
What is the difference between SQL and NoSQL?