20 - Spark Web UI - Jobs tab скачать в хорошем качестве

20 - Spark Web UI - Jobs tab

‪@backstreetbrogrammer‬ -------------------------------------------------------------------------------- Chapter 03 - Apache Spark Web UI - Jobs tab -------------------------------------------------------------------------------- Spark Web UI can be viewed in browser using default port of 4040: http://localhost:4040/ Spark UI is separated into following tabs: Jobs The details provided in this tab are: Scheduling mode: As we are running on a local machine, its Standalone mode. The standalone cluster mode currently only supports a simple FIFO scheduler across applications. Number of Spark Jobs: The number of Spark jobs is equal to the number of actions in the application and each Spark job should have at least one Stage. Number of Stages: Only Wide Transformation results in a separate Number of Stages. Number of Tasks we could see in each stage is the number of partitions that Spark is going to work on and each task inside a stage is the same work that will be done by spark but on a different partition of data. Description: Description links the complete details of the associated SparkJob like Spark Job Status, DAG Visualization, Completed Stages, etc. Github: https://github.com/backstreetbrogramm... Apache Spark for Java Developers Playlist:    • Apache Spark for Java Developers   Java Serialization Playlist:    • Java Serialization   Dynamic Programming Playlist:    • Dynamic Programming   #java #javadevelopers #javaprogramming #apachespark #spark