PoolPage¶

PoolPage is a WebUIPage of StagesTab.

Creating Instance¶

PoolPage takes the following to be created:

• Parent StagesTab

URL Prefix¶

PoolPage uses pool URL prefix.

Rendering Page¶

render(
  request: HttpServletRequest): Seq[Node]

render is part of the WebUIPage abstraction.

render requires poolname and attempt request parameters.

render renders a Fair Scheduler Pool page with the PoolData (from the AppStatusStore of the parent StagesTab).

Introduction¶

The Fair Scheduler Pool Details page shows information about a Schedulable pool and is only available when a Spark application uses the FAIR scheduling mode.

Summary Table¶

The Summary table shows the details of a Schedulable pool.

It uses the following columns:

• Pool Name
• Minimum Share
• Pool Weight
• Active Stages (the number of the active stages in a Schedulable pool)
• Running Tasks
• SchedulingMode

Active Stages Table¶

The Active Stages table shows the active stages in a pool.