spark-webui-properties.adoc

web UI Configuration Properties

Table 1. web UI Configuration Properties

Name	Default Value	Description
spark.ui.allowFramingFrom		Defines the URL to use in ALLOW-FROM in X-Frame-Options header (as described in http://tools.ietf.org/html/rfc7034). Used exclusively when JettyUtils is requested to create an HttpServlet.
spark.ui.consoleProgress.update.interval	200 (ms)	Update interval, i.e. how often to show the progress.
spark.ui.enabled	true	The flag to control whether the web UI is started (true) or not (false).
spark.ui.port	4040	The port web UI binds to. If multiple SparkContexts attempt to run on the same host (it is not possible to have two or more Spark contexts on a single JVM, though), they will bind to successive ports beginning with spark.ui.port.
spark.ui.killEnabled	true	Enables jobs and stages to be killed from the web UI (true) or not (false). Used exclusively when SparkUI is requested to initialize (and registers the redirect handlers for /jobs/job/kill and /stages/stage/kill URIs)
spark.ui.retainedDeadExecutors	100	The maximum number of entries in executorToTaskSummary (in ExecutorsListener) and deadExecutorStorageStatus (in StorageStatusListener) internal registries.
spark.ui.showConsoleProgress	true	Controls whether to create ConsoleProgressBar (true) or not (false).
spark.ui.timeline.executors.maximum	1000	The maximum number of entries in executorEvents registry.
spark.ui.timeline.tasks.maximum	1000