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)
Explain HCatLoader APIs?
How does groupbykey work in spark?
What is a local repository and when it is useful while using ambari environment?
What is Flume Client?
What are the parameters used to create a keyspace?
What are the basic steps to writing a UDF Function in Pig?
How do we back up a hbase cluster?
Give a brief overview of Hadoop history?
What are the main components in Hadoop Eco-System and what are their functions ?
What is Block in HDFS?
What do you mean by meta data in hdfs? List the files associated with metadata.
what is difference between int and intwritable?
What is version-id mismatch error in hadoop?
Explain Erasure Coding in Apache Hadoop?
TRIM function in Hive with example?