org.apache.flink.runtime.taskexecutor.slot

类 TaskSlotTableImpl<T extends TaskSlotPayload>

java.lang.Object

org.apache.flink.runtime.taskexecutor.slot.TaskSlotTableImpl<T>

所有已实现的接口:

AutoCloseable, TaskSlotTable<T>, TimeoutListener<AllocationID>, org.apache.flink.util.AutoCloseableAsync

public class TaskSlotTableImpl<T extends TaskSlotPayload>
extends Object
implements TaskSlotTable<T>

Default implementation of TaskSlotTable.

构造器概要

构造器

构造器和说明
TaskSlotTableImpl(int numberSlots, ResourceProfile totalAvailableResourceProfile, ResourceProfile defaultSlotResourceProfile, int memoryPageSize, TimerService<AllocationID> timerService, Executor memoryVerificationExecutor)

方法概要

限定符和类型	方法和说明
boolean	addTask(T task) Add the given task to the slot identified by the task's allocation id.
boolean	allocateSlot(int requestedIndex, org.apache.flink.api.common.JobID jobId, AllocationID allocationId, ResourceProfile resourceProfile, org.apache.flink.api.common.time.Time slotTimeout) Allocate the slot with the given index for the given job and allocation id.
boolean	allocateSlot(int index, org.apache.flink.api.common.JobID jobId, AllocationID allocationId, org.apache.flink.api.common.time.Time slotTimeout) Allocate the slot with the given index for the given job and allocation id.
CompletableFuture<Void>	closeAsync()
SlotReport	createSlotReport(ResourceID resourceId)
int	freeSlot(AllocationID allocationId, Throwable cause) Tries to free the slot.
Set<AllocationID>	getActiveTaskSlotAllocationIds() Returns the AllocationID of any active task listed in this TaskSlotTable.
Set<AllocationID>	getActiveTaskSlotAllocationIdsPerJob(org.apache.flink.api.common.JobID jobId) Returns the AllocationID of active TaskSlots attached to the job with the given JobID.
Iterator<TaskSlot<T>>	getAllocatedSlots(org.apache.flink.api.common.JobID jobId) Return an iterator of allocated slots for the given job id.
Set<AllocationID>	getAllocationIdsPerJob(org.apache.flink.api.common.JobID jobId) Returns the all AllocationID for the given job.
AllocationID	getCurrentAllocation(int index) Get the current allocation for the task slot with the given index.
org.apache.flink.api.common.JobID	getOwningJob(AllocationID allocationId) Returns the owning job of the TaskSlot identified by the given AllocationID.
T	getTask(ExecutionAttemptID executionAttemptID) Get the task for the given execution attempt id.
MemoryManager	getTaskMemoryManager(AllocationID allocationID) Get the memory manager of the slot allocated for the task.
Iterator<T>	getTasks(org.apache.flink.api.common.JobID jobId) Return an iterator over all tasks for a given job.
boolean	hasAllocatedSlots(org.apache.flink.api.common.JobID jobId) Check whether the job has allocated (not active) slots.
boolean	isAllocated(int index, org.apache.flink.api.common.JobID jobId, AllocationID allocationId) Check whether the slot for the given index is allocated for the given job and allocation id.
boolean	isClosed()
boolean	isSlotFree(int index) Check whether the task slot with the given index is free.
boolean	isValidTimeout(AllocationID allocationId, UUID ticket) Check whether the timeout with ticket is valid for the given allocation id.
boolean	markSlotActive(AllocationID allocationId) Marks the slot under the given allocation id as active.
boolean	markSlotInactive(AllocationID allocationId, org.apache.flink.api.common.time.Time slotTimeout) Marks the slot under the given allocation id as inactive.
void	notifyTimeout(AllocationID key, UUID ticket) Notify the listener about the timeout for an event identified by key.
T	removeTask(ExecutionAttemptID executionAttemptID) Remove the task with the given execution attempt id from its task slot.
void	start(SlotActions initialSlotActions, org.apache.flink.runtime.concurrent.ComponentMainThreadExecutor mainThreadExecutor) Start the task slot table with the given slot actions.
boolean	tryMarkSlotActive(org.apache.flink.api.common.JobID jobId, AllocationID allocationId) Try to mark the specified slot as active if it has been allocated by the given job.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable

freeSlot

从接口继承的方法 org.apache.flink.util.AutoCloseableAsync

close

构造器详细资料

TaskSlotTableImpl

public TaskSlotTableImpl(int numberSlots,
                         ResourceProfile totalAvailableResourceProfile,
                         ResourceProfile defaultSlotResourceProfile,
                         int memoryPageSize,
                         TimerService<AllocationID> timerService,
                         Executor memoryVerificationExecutor)

方法详细资料

start

public void start(SlotActions initialSlotActions,
                  org.apache.flink.runtime.concurrent.ComponentMainThreadExecutor mainThreadExecutor)

从接口复制的说明: TaskSlotTable

Start the task slot table with the given slot actions.

指定者:

start 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

initialSlotActions - to use for slot actions

mainThreadExecutor - ComponentMainThreadExecutor to schedule internal calls to the main thread

closeAsync

public CompletableFuture<Void> closeAsync()

指定者:

closeAsync 在接口中 org.apache.flink.util.AutoCloseableAsync

isClosed

@VisibleForTesting
public boolean isClosed()

getAllocationIdsPerJob

public Set<AllocationID> getAllocationIdsPerJob(org.apache.flink.api.common.JobID jobId)

从接口复制的说明: TaskSlotTable

Returns the all AllocationID for the given job.

指定者:

getAllocationIdsPerJob 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

jobId - for which to return the set of AllocationID.

返回:

Set of AllocationID for the given job

getActiveTaskSlotAllocationIds

public Set<AllocationID> getActiveTaskSlotAllocationIds()

从接口复制的说明: TaskSlotTable

Returns the AllocationID of any active task listed in this TaskSlotTable.

指定者:

getActiveTaskSlotAllocationIds 在接口中 TaskSlotTable<T extends TaskSlotPayload>

返回:

The AllocationID of any active task.

getActiveTaskSlotAllocationIdsPerJob

public Set<AllocationID> getActiveTaskSlotAllocationIdsPerJob(org.apache.flink.api.common.JobID jobId)

从接口复制的说明: TaskSlotTable

Returns the AllocationID of active TaskSlots attached to the job with the given JobID.

指定者:

getActiveTaskSlotAllocationIdsPerJob 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

jobId - The JobID of the job for which the AllocationIDs of the attached active TaskSlots shall be returned.

返回:

A set of AllocationIDs that belong to active TaskSlots having the passed JobID.

createSlotReport

public SlotReport createSlotReport(ResourceID resourceId)

指定者:

createSlotReport 在接口中 TaskSlotTable<T extends TaskSlotPayload>

allocateSlot

@VisibleForTesting
public boolean allocateSlot(int index,
                                               org.apache.flink.api.common.JobID jobId,
                                               AllocationID allocationId,
                                               org.apache.flink.api.common.time.Time slotTimeout)

从接口复制的说明: TaskSlotTable

Allocate the slot with the given index for the given job and allocation id. If negative index is given, a new auto increasing index will be generated. Returns true if the slot could be allocated. Otherwise it returns false.

指定者:

allocateSlot 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

index - of the task slot to allocate, use negative value for dynamic slot allocation

jobId - to allocate the task slot for

allocationId - identifying the allocation

slotTimeout - until the slot times out

返回:

True if the task slot could be allocated; otherwise false

allocateSlot

public boolean allocateSlot(int requestedIndex,
                            org.apache.flink.api.common.JobID jobId,
                            AllocationID allocationId,
                            ResourceProfile resourceProfile,
                            org.apache.flink.api.common.time.Time slotTimeout)

从接口复制的说明: TaskSlotTable

Allocate the slot with the given index for the given job and allocation id. If negative index is given, a new auto increasing index will be generated. Returns true if the slot could be allocated. Otherwise it returns false.

指定者:

allocateSlot 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

requestedIndex - of the task slot to allocate, use negative value for dynamic slot allocation

jobId - to allocate the task slot for

allocationId - identifying the allocation

resourceProfile - of the requested slot, used only for dynamic slot allocation and will be ignored otherwise

slotTimeout - until the slot times out

返回:

True if the task slot could be allocated; otherwise false

markSlotActive

public boolean markSlotActive(AllocationID allocationId)
                       throws SlotNotFoundException

从接口复制的说明: TaskSlotTable

Marks the slot under the given allocation id as active. If the slot could not be found, then a SlotNotFoundException is thrown.

指定者:

markSlotActive 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

allocationId - to identify the task slot to mark as active

返回:

True if the slot could be marked active; otherwise false

抛出:

SlotNotFoundException - if the slot could not be found for the given allocation id

markSlotInactive

public boolean markSlotInactive(AllocationID allocationId,
                                org.apache.flink.api.common.time.Time slotTimeout)
                         throws SlotNotFoundException

从接口复制的说明: TaskSlotTable

Marks the slot under the given allocation id as inactive. If the slot could not be found, then a SlotNotFoundException is thrown.

指定者:

markSlotInactive 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

allocationId - to identify the task slot to mark as inactive

slotTimeout - until the slot times out

返回:

True if the slot could be marked inactive

抛出:

SlotNotFoundException - if the slot could not be found for the given allocation id

freeSlot

public int freeSlot(AllocationID allocationId,
                    Throwable cause)
             throws SlotNotFoundException

从接口复制的说明: TaskSlotTable

Tries to free the slot. If the slot is empty it will set the state of the task slot to free and return its index. If the slot is not empty, then it will set the state of the task slot to releasing, fail all tasks and return -1.

指定者:

freeSlot 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

allocationId - identifying the task slot to be freed

cause - to fail the tasks with if slot is not empty

返回:

Index of the freed slot if the slot could be freed; otherwise -1

抛出:

SlotNotFoundException - if there is not task slot for the given allocation id

isValidTimeout

public boolean isValidTimeout(AllocationID allocationId,
                              UUID ticket)

从接口复制的说明: TaskSlotTable

Check whether the timeout with ticket is valid for the given allocation id.

指定者:

isValidTimeout 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

allocationId - to check against

ticket - of the timeout

返回:

True if the timeout is valid; otherwise false

isAllocated

public boolean isAllocated(int index,
                           org.apache.flink.api.common.JobID jobId,
                           AllocationID allocationId)

从接口复制的说明: TaskSlotTable

Check whether the slot for the given index is allocated for the given job and allocation id.

指定者:

isAllocated 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

index - of the task slot

jobId - for which the task slot should be allocated

allocationId - which should match the task slot's allocation id

返回:

True if the given task slot is allocated for the given job and allocation id

tryMarkSlotActive

public boolean tryMarkSlotActive(org.apache.flink.api.common.JobID jobId,
                                 AllocationID allocationId)

从接口复制的说明: TaskSlotTable

Try to mark the specified slot as active if it has been allocated by the given job.

指定者:

tryMarkSlotActive 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

jobId - of the allocated slot

allocationId - identifying the allocation

返回:

True if the task slot could be marked active.

isSlotFree

public boolean isSlotFree(int index)

从接口复制的说明: TaskSlotTable

Check whether the task slot with the given index is free.

指定者:

isSlotFree 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

index - of the task slot

返回:

True if the task slot is free; otherwise false

hasAllocatedSlots

public boolean hasAllocatedSlots(org.apache.flink.api.common.JobID jobId)

从接口复制的说明: TaskSlotTable

Check whether the job has allocated (not active) slots.

指定者:

hasAllocatedSlots 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

jobId - for which to check for allocated slots

返回:

True if there are allocated slots for the given job id.

getAllocatedSlots

public Iterator<TaskSlot<T>> getAllocatedSlots(org.apache.flink.api.common.JobID jobId)

从接口复制的说明: TaskSlotTable

Return an iterator of allocated slots for the given job id.

指定者:

getAllocatedSlots 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

jobId - for which to return the allocated slots

返回:

Iterator of allocated slots.

getOwningJob

@Nullable
public org.apache.flink.api.common.JobID getOwningJob(AllocationID allocationId)

从接口复制的说明: TaskSlotTable

Returns the owning job of the TaskSlot identified by the given AllocationID.

指定者:

getOwningJob 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

allocationId - identifying the slot for which to retrieve the owning job

返回:

Owning job of the specified TaskSlot or null if there is no slot for the given allocation id or if the slot has no owning job assigned

addTask

public boolean addTask(T task)
                throws SlotNotFoundException,
                       SlotNotActiveException

从接口复制的说明: TaskSlotTable

Add the given task to the slot identified by the task's allocation id.

指定者:

addTask 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

task - to add to the task slot with the respective allocation id

返回:

True if the task could be added to the task slot; otherwise false

抛出:

SlotNotFoundException - if there was no slot for the given allocation id

SlotNotActiveException - if there was no slot active for task's job and allocation id

removeTask

public T removeTask(ExecutionAttemptID executionAttemptID)

从接口复制的说明: TaskSlotTable

Remove the task with the given execution attempt id from its task slot. If the owning task slot is in state releasing and empty after removing the task, the slot is freed via the slot actions.

指定者:

removeTask 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

executionAttemptID - identifying the task to remove

返回:

The removed task if there is any for the given execution attempt id; otherwise null

getTask

public T getTask(ExecutionAttemptID executionAttemptID)

从接口复制的说明: TaskSlotTable

Get the task for the given execution attempt id. If none could be found, then return null.

指定者:

getTask 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

executionAttemptID - identifying the requested task

返回:

The task for the given execution attempt id if it exist; otherwise null

getTasks

public Iterator<T> getTasks(org.apache.flink.api.common.JobID jobId)

从接口复制的说明: TaskSlotTable

Return an iterator over all tasks for a given job.

指定者:

getTasks 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

jobId - identifying the job of the requested tasks

返回:

Iterator over all task for a given job

getCurrentAllocation

public AllocationID getCurrentAllocation(int index)

从接口复制的说明: TaskSlotTable

Get the current allocation for the task slot with the given index.

指定者:

getCurrentAllocation 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

index - identifying the slot for which the allocation id shall be retrieved

返回:

Allocation id of the specified slot if allocated; otherwise null

getTaskMemoryManager

public MemoryManager getTaskMemoryManager(AllocationID allocationID)
                                   throws SlotNotFoundException

从接口复制的说明: TaskSlotTable

Get the memory manager of the slot allocated for the task.

指定者:

getTaskMemoryManager 在接口中 TaskSlotTable<T extends TaskSlotPayload>

参数:

allocationID - allocation id of the slot allocated for the task

返回:

the memory manager of the slot allocated for the task

抛出:

SlotNotFoundException

notifyTimeout

public void notifyTimeout(AllocationID key,
                          UUID ticket)

从接口复制的说明: TimeoutListener

Notify the listener about the timeout for an event identified by key. Additionally the method is called with the timeout ticket which allows to identify outdated timeout events.

指定者:

notifyTimeout 在接口中 TimeoutListener<AllocationID>

参数:

key - identifying the timed out event

ticket - used to check whether the timeout is still valid