To view the web UI after the fact, set to true before starting theĪpplication. Note that this information is only available for the duration of the application by default. If multiple SparkContexts are running on the same host, they will bind to successive ports You can access this interface by simply opening in a web browser. Information about the running executors.A summary of RDD sizes and memory usage.Web InterfacesĮvery SparkContext launches a Web UI, by default on port 4040, thatĭisplays useful information about the application. There are several ways to monitor Spark applications: web UIs, metrics, and external instrumentation. Spark History Server Configuration Options.
Applying compaction on rolling event log files.
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