All Classes

Policy encoding the MRAppMaster response to preemption requests from the ResourceManager.

Application master webapp

This class renders the various pages that the web app supports.

PolicyProvider for MapReduce history server protocols.

Render the configuration for this job.

This class is responsible for launching of containers.

This estimator exponentially smooths the rate of progress versus wallclock time.

Main interface to interact with the job.

This class handles job end notification.

Event types handled by Job.

Implementation of Job interface.

Job task attempt state.

Sample policy that aggressively kills tasks when requested.

Allocates containers locally.

PolicyProvider for YARN MapReduce protocols.

This module is responsible for talking to the jobclient (user facing).

NoOp policy that ignores all the requests for preemption.

Registers/unregisters to RM and sends heartbeats to RM.

Allocates the container from the ResourceManager scheduler.

A task Runtime Estimator based on exponential smoothing.

Render the counters page

Read only view of Task.

Event types handled by TaskAttempt.

This class generates TA_TIMED_OUT if the task attempt stays in FINISHING state for too long.

This class listens for changes to the state of a Task.

TaskAttemptImpl internal state machine states.

The internal TaskAttemptStatus object corresponding to remote Task status.

this class encapsulates task related events.

This class keeps track of tasks that have already been launched.

A simple wrapper for increasing the visibility.