MindTree Hadoop Interview Questions
- What is heap error and how can you fix it?
- How many joins does MapReduce have and when will you use each type of join?
- What are sinks and sources in Apache Flume when working with Twitter data?
- How many JVMs run on a DataNode and what is their use?
- If you have configured Java version 8 for Hadoop and Java version 7 for Apache Spark, how will you set the environment variables in the basic configuration file?
- Differentiate between bash and basic profile.
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