This is 2nd 2 week plan for the preparation of HDPCD Java examination
Goal: Get comfortable in writing, executing and troubleshooting simple map reduce programs. Also make sure you understand HDFS commands
- HDFS briefly
- Introduction to map reduce APIs
- Default Mappers and Reducers
- Develop row count program
- Run row count program on the cluster
- Understand counters
Here is the playlist for the reference
Next Plan: Aggregations and role of combiners