Dr. Elephant is a job and flow-level performance monitoring and tuning tool for Apache Hadoop and Apache Spark
Role in this project:
Backend Developer Contributions:43 commits, 57 PRs, 35 pushes in 3 years 2 months
Contributions summary:Ananth implemented and tested a "Mapper Spill Heuristic" to monitor and tune Hadoop and Spark jobs. This involved creating a new Java class, `MapperSpillHeuristic`, that analyzes mapper task data to calculate a spill ratio and determine the severity of the issue. They also wrote unit tests for the heuristic, demonstrating a focus on code quality and thorough testing. Further contributions included modifications to the application's controller and help page views to incorporate the new heuristic.
apache-hadoopapache-sparkperformance-monitoring
Contributions:4 pushes, 2 branches in 9 years 11 months