Spark - Web UI (Driver UI)

Card Puncher Data Processing


Each driver program has a web UI, typically on port 4040, that displays information about:

The Spark UI will tell you which DataFrames and what percentages are in memory. Spark - (Executor) Cache

This UI is only available for the duration of the application. The cluster manager UI's (master en worker) are always available. Example with the built-in standalone cluster manager, the UI by default are available at the port 8080 for the master and 8081 for the workers.





Discover More
Card Puncher Data Processing

Map reduce and streaming framework in memory. See: . The library entry point of which is also a connection object is called a session (known also as context). Component: DAG scheduler, ...
Spark Caching
Spark - (Executor) Cache

in Spark. Each executor has a cache. from the lines is recomputed lines is NOT recomputed but get from the cache
Card Puncher Data Processing
Spark - Configuration

The configuration of Spark is mostly: configuration around an app. runtime-environment The application web UI...
Spark Cluster
Spark - Driver

The driver is a (daemon|service) wrapper created when you get a spark context (connection) that look after the lifecycle of the Spark job. cluster managerapplication manager The driver: start as its...
Card Puncher Data Processing
Spark - Monitoring

The web UI, typically on port 4040, displays information : running tasks, executors, and storage usage.

Share this page:
Follow us:
Task Runner