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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)
Hadoop Interview Questions
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Un-Answered Questions { Hadoop }
how will you implement SQL in Spark?
What is check pointing in hadoop?
What do you mean by Speculative execution in Apache Spark?
Is there any point of learning mapreduce, then?
How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?
Explain the term HCatalog?
Define Thrift in Apache Cassandra?
What are the different collection type in Hive?
what is the traditional method of message trfer?
How many Mappers run for a MapReduce job in Hadoop?
Explain how does hbase actually delete a row?
What is shuffleing in mapreduce?
Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?
State Disadvantages of Apache Kafka?
Differentiate between static and dynamic cql tables.
