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05: Q37 – Q50 Apache Flume interview questions & answers

Q37. Where do use Apache Flume in the BigData world? A37. Apache Flume is used to ingest big data into HDFS. BigData is generally ingested from 1) Sporadic bulk loading processes, such as database and mainframe offloads and batched data dumps from legacy systems. … Read more ›...

10+ Apache NiFi interview Q&As

Q1. What is Apache Nifi? What is Apache NiFi not? A1. NiFi is data flow tool for moving data from point A (e.g. MySQL DB) to point B (e.g. AWS S3 bucket), with a GUI based drag and drop experience. Non-Functional features like security, Data lineage/provenance (i.e. … Read more...

13 Apache Sqoop interview Q&As

Q1. What is Apache sqoop? A1. Sqoop is a command-line tool to transfer data between Hadoop and RDBMS (i.e. Relational Database Management Systems). It is used to import data from relational databases such as MySQL, Oracle, Teradata, etc to Hadoop HDFS, and export structured data from Hadoop file system to...

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800+ Java Interview Q&As