Package org.apache.flink.runtime.taskmanager

Interface Summary

Interface	Description
AsyncExceptionHandler	An interface marking a task as capable of handling exceptions thrown by different threads, other than the one executing the task itself.
CheckpointResponder	Responder for checkpoint acknowledge and decline messages in the Task.
TaskActions	Actions which can be performed on a Task.
TaskManagerActions	Interface for the communication of the Task with the TaskExecutor.
TaskManagerLocation.HostNameSupplier
TaskManagerRuntimeInfo	Interface to access TaskExecutor information.

Class Summary

Class	Description
DispatcherThreadFactory	Thread factory that creates threads with a given name, associates them with a given thread group, and set them to daemon mode.
InputGateWithMetrics	This class wraps InputGate provided by shuffle service and it is mainly used for increasing general input metrics from TaskIOMetricGroup.
MemoryLogger	A thread the periodically logs statistics about: Heap and non-heap memory usage Memory pools and pool usage Garbage collection times and counts
NettyShuffleEnvironmentConfiguration	Configuration object for the network stack.
NoOpTaskActions	A dummy implementation of the TaskActions which is mainly used for tests.
RuntimeEnvironment	In implementation of the Environment.
Task	The Task represents one execution of a parallel subtask on a TaskManager.
TaskExecutionState	This class represents an update about a task's execution state.
TaskManagerLocation	This class encapsulates the connection information of a TaskManager.
TaskManagerLocation.DefaultHostNameSupplier	This Supplier class could retrieve the FQDN host name of the given InetAddress on demand, extract the pure host name and cache the results for later use.
TaskManagerLocation.IpOnlyHostNameSupplier	This Supplier class returns the IP address of the given InetAddress directly, therefore no reverse DNS lookup is required.
UnresolvedTaskManagerLocation	This class encapsulates the connection information of a TaskManager, without resolving the hostname.

Enum Summary

Enum	Description
Task.NotifyCheckpointOperation	Various operation of notify checkpoint.
TaskManagerLocation.ResolutionMode	The DNS resolution mode for TaskManager's IP address.

Exception Summary

Exception	Description
AsynchronousException	An exception for wrapping exceptions that are thrown by an operator in threads other than the main compute thread of that operator.