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- Apache Hadoop (387)
- MapReduce (351)
- Apache Hive (334)
- Apache Pig (225)
- Apache Spark (991)
- Apache HBase (164)
- Apache Flume (94)
- 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 (188)
- Apache Avro (26)
- Apache Presto (15)
- Apache Tajo (26)
- Hadoop General (406)
Un-Answered Questions { Hadoop }
Is Pig script case sensitive?
What are the different execution modes available in Pig?
You have a file personal_data.txt in the HDFS directory with 100 records. You want to see only the first 5 records from the employee.txt file. How will you do this?
What are the differences between PIG and SQL?
Pig Features ?
How Apache Pig deals with the schema and schema-less data?
How to use 'foreach' operation in pig scripts?
What does a Spark Engine do?
Define Actions.
Illustrate some demerits of using Spark.
Define "Action" in Spark
List the benefits of Spark over MapReduce.
What is the biggest shortcoming of Spark?
What is a "Spark Executor"?
Explain the key features of Spark.
