Standard Chartered Hadoop Interview Questions
- Explain Hadoop streaming?
- What is HDFS- Hadoop Distributed File System?
- What does hadoop-metrics.properties file do?
- How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?
- What are the different commands used to startup and shutdown Hadoop daemons?
- What is configured in /etc/hosts and what is its role in setting Hadoop cluster?
- How is the splitting of file invoked in Hadoop framework?
- Is it possible to provide multiple input to Hadoop? If yes then how?
- Is it possible to have hadoop job output in multiple directories? If yes, how?
- Explain NameNode and DataNode in HDFS?
- Why is block size set to 128 MB in Hadoop HDFS?
- How data or file is written into HDFS?
- How data or file is read in HDFS?
- How is indexing done in HDFS?
- What is a Heartbeat in HDFS?
- Explain Hadoop Archives?
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