ExecutorSource takes the following to be created:
- Executor ID (unused)
- File System Schemes (to report based on spark.executor.metrics.fileSystemSchemes)
ExecutorSource is created when:
ExecutorSource is known under the name executor.
metricRegistry is part of the Source abstraction.
|threadpool.activeTasks||Approximate number of threads that are actively executing tasks (based on ThreadPoolExecutor.getActiveCount)|