== [[AllJobsPage]] AllJobsPage -- Showing All Jobs in Web UI

[[prefix]] AllJobsPage is a[WebUIPage] with an empty[prefix].

AllJobsPage is <> exclusively when JobsTab is[created].

AllJobsPage renders a summary, an event timeline, and active, completed, and failed jobs of a Spark application.

TIP: Jobs (in any state) are displayed when their number is greater than 0.

AllJobsPage displays the Summary section with the[current Spark user], total uptime, scheduling mode, and the number of jobs per status.

NOTE: AllJobsPage uses[JobProgressListener] for Scheduling Mode.

.Summary Section in Jobs Tab image::spark-webui-jobs-summary-section.png[align="center"]

Under the summary section is the Event Timeline section.

.Event Timeline in Jobs Tab image::spark-webui-jobs-event-timeline.png[align="center"]

NOTE:[AllJobsPage] uses[ExecutorsListener] to build the event timeline.

Active Jobs, Completed Jobs, and Failed Jobs sections follow.

.Job Status Section in Jobs Tab image::spark-webui-jobs-status-section.png[align="center"]

Jobs are clickable, i.e. you can click on a job to <>.

When you hover over a job in Event Timeline not only you see the job legend but also the job is highlighted in the Summary section.

.Hovering Over Job in Event Timeline Highlights The Job in Status Section image::spark-webui-jobs-timeline-popup.png[align="center"]

The Event Timeline section shows not only jobs but also executors.

.Executors in Event Timeline image::spark-webui-jobs-timeline-executors.png[align="center"]

TIP: Use[Programmable Dynamic Allocation] (using SparkContext) to manage executors for demo purposes.

=== [[creating-instance]] Creating AllJobsPage Instance

AllJobsPage takes the following when created:

  • [[parent]] Parent[JobsTab]
  • [[store]][]

Last update: 2020-10-06