Executors Tab

Executors tab in web UI shows …​

spark webui executors.png
Figure 1. Executors Tab in web UI (local mode)

ExecutorsTab uses ExecutorsListener to collect information about executors in a Spark application.

The title of the tab is Executors.

You can access the Executors tab under /executors URL, e.g. http://localhost:4040/executors.

ExecutorsPage

Caution
FIXME

getExecInfo Method

getExecInfo(
  listener: ExecutorsListener,
  statusId: Int,
  isActive: Boolean): ExecutorSummary

getExecInfo creates a ExecutorSummary.

Caution
FIXME
Note
getExecInfo is used when…​FIXME

ExecutorThreadDumpPage

ExecutorThreadDumpPage is enabled or disabled using spark.ui.threadDumpsEnabled setting.

Settings

spark.ui.threadDumpsEnabled

spark.ui.threadDumpsEnabled (default: true) is to enable (true) or disable (false) ExecutorThreadDumpPage.

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