:: DeveloperApi ::
Various possible reasons why a task ended. The low-level TaskScheduler is supposed to retry
tasks several times for "ephemeral" failures, and only report back failures that require some
old stages to be resubmitted, such as shuffle map fetch failures.
:: DeveloperApi :: Various possible reasons why a task ended. The low-level TaskScheduler is supposed to retry tasks several times for "ephemeral" failures, and only report back failures that require some old stages to be resubmitted, such as shuffle map fetch failures.