FineGrainedSlotManager (Flink : Runtime 1.15.0 API)

java.lang.Object
- org.apache.flink.runtime.resourcemanager.slotmanager.FineGrainedSlotManager

所有已实现的接口:

AutoCloseable, SlotManager
```
public class FineGrainedSlotManager
extends Object
implements SlotManager
```
Implementation of SlotManager supporting fine-grained resource management.

构造器概要

构造器
构造器和说明
`FineGrainedSlotManager(org.apache.flink.util.concurrent.ScheduledExecutor scheduledExecutor, SlotManagerConfiguration slotManagerConfiguration, SlotManagerMetricGroup slotManagerMetricGroup, ResourceTracker resourceTracker, org.apache.flink.runtime.resourcemanager.slotmanager.TaskManagerTracker taskManagerTracker, SlotStatusSyncer slotStatusSyncer, ResourceAllocationStrategy resourceAllocationStrategy, org.apache.flink.api.common.time.Time requirementCheckDelay)`

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`void`	`clearResourceRequirements(org.apache.flink.api.common.JobID jobId)` Notifies the slot manager that the resource requirements for the given job should be cleared.
`void`	`close()` Closes the slot manager.
`void`	`freeSlot(SlotID slotId, AllocationID allocationId)` Free the given slot from the given allocation.
`Collection<SlotInfo>`	`getAllocatedSlotsOf(InstanceID instanceID)`
`ResourceProfile`	`getFreeResource()`
`ResourceProfile`	`getFreeResourceOf(InstanceID instanceID)`
`int`	`getNumberFreeSlots()`
`int`	`getNumberFreeSlotsOf(InstanceID instanceId)`
`int`	`getNumberRegisteredSlots()`
`int`	`getNumberRegisteredSlotsOf(InstanceID instanceId)`
`ResourceProfile`	`getRegisteredResource()`
`ResourceProfile`	`getRegisteredResourceOf(InstanceID instanceID)`
`Map<WorkerResourceSpec,Integer>`	`getRequiredResources()` Get number of workers SlotManager requested from `ResourceActions` that are not yet fulfilled.
`long`	`getTaskManagerIdleSince(InstanceID instanceId)`
`void`	`processResourceRequirements(ResourceRequirements resourceRequirements)` Notifies the slot manager about the resource requirements of a job.
`boolean`	`registerTaskManager(TaskExecutorConnection taskExecutorConnection, SlotReport initialSlotReport, ResourceProfile totalResourceProfile, ResourceProfile defaultSlotResourceProfile)` Registers a new task manager at the slot manager.
`boolean`	`reportSlotStatus(InstanceID instanceId, SlotReport slotReport)` Reports the current slot allocations for a task manager identified by the given instance id.
`void`	`setFailUnfulfillableRequest(boolean failUnfulfillableRequest)`
`void`	`start(ResourceManagerId newResourceManagerId, Executor newMainThreadExecutor, ResourceActions newResourceActions)` Starts the slot manager with the given leader id and resource manager actions.
`void`	`suspend()` Suspends the component.
`boolean`	`unregisterTaskManager(InstanceID instanceId, Exception cause)` Unregisters the task manager identified by the given instance id and its associated slots from the slot manager.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - FineGrainedSlotManager
```
public FineGrainedSlotManager(org.apache.flink.util.concurrent.ScheduledExecutor scheduledExecutor,
                              SlotManagerConfiguration slotManagerConfiguration,
                              SlotManagerMetricGroup slotManagerMetricGroup,
                              ResourceTracker resourceTracker,
                              org.apache.flink.runtime.resourcemanager.slotmanager.TaskManagerTracker taskManagerTracker,
                              SlotStatusSyncer slotStatusSyncer,
                              ResourceAllocationStrategy resourceAllocationStrategy,
                              org.apache.flink.api.common.time.Time requirementCheckDelay)
```
- 方法详细资料
  - setFailUnfulfillableRequest
```
public void setFailUnfulfillableRequest(boolean failUnfulfillableRequest)
```
    指定者:
    
    setFailUnfulfillableRequest 在接口中 SlotManager
  - start
```
public void start(ResourceManagerId newResourceManagerId,
                  Executor newMainThreadExecutor,
                  ResourceActions newResourceActions)
```
    Starts the slot manager with the given leader id and resource manager actions.
    
    指定者:
    
    start 在接口中 SlotManager
    
    参数:
    
    newResourceManagerId - to use for communication with the task managers
    
    newMainThreadExecutor - to use to run code in the ResourceManager's main thread
    
    newResourceActions - to use for resource (de-)allocations
  - suspend
```
public void suspend()
```
    Suspends the component. This clears the internal state of the slot manager.
    
    指定者:
    
    suspend 在接口中 SlotManager
  - close
```
public void close()
           throws Exception
```
    Closes the slot manager.
    
    指定者:
    
    close 在接口中 AutoCloseable
    
    抛出:
    
    Exception - if the close operation fails
  - clearResourceRequirements
```
public void clearResourceRequirements(org.apache.flink.api.common.JobID jobId)
```
    从接口复制的说明: SlotManager
    
    Notifies the slot manager that the resource requirements for the given job should be cleared. The slot manager may assume that no further updates to the resource requirements will occur.
    
    指定者:
    
    clearResourceRequirements 在接口中 SlotManager
    
    参数:
    
    jobId - job for which to clear the requirements
  - processResourceRequirements
```
public void processResourceRequirements(ResourceRequirements resourceRequirements)
```
    从接口复制的说明: SlotManager
    
    Notifies the slot manager about the resource requirements of a job.
    
    指定者:
    
    processResourceRequirements 在接口中 SlotManager
    
    参数:
    
    resourceRequirements - resource requirements of a job
  - registerTaskManager
```
public boolean registerTaskManager(TaskExecutorConnection taskExecutorConnection,
                                   SlotReport initialSlotReport,
                                   ResourceProfile totalResourceProfile,
                                   ResourceProfile defaultSlotResourceProfile)
```
    Registers a new task manager at the slot manager. This will make the task managers slots known and, thus, available for allocation.
    
    指定者:
    
    registerTaskManager 在接口中 SlotManager
    
    参数:
    
    taskExecutorConnection - for the new task manager
    
    initialSlotReport - for the new task manager
    
    totalResourceProfile - of the new task manager
    
    defaultSlotResourceProfile - of the new task manager
    
    返回:
    
    True if the task manager has not been registered before and is registered successfully; otherwise false
  - unregisterTaskManager
```
public boolean unregisterTaskManager(InstanceID instanceId,
                                     Exception cause)
```
    从接口复制的说明: SlotManager
    
    Unregisters the task manager identified by the given instance id and its associated slots from the slot manager.
    
    指定者:
    
    unregisterTaskManager 在接口中 SlotManager
    
    参数:
    
    instanceId - identifying the task manager to unregister
    
    cause - for unregistering the TaskManager
    
    返回:
    
    True if there existed a registered task manager with the given instance id
  - reportSlotStatus
```
public boolean reportSlotStatus(InstanceID instanceId,
                                SlotReport slotReport)
```
    Reports the current slot allocations for a task manager identified by the given instance id.
    
    指定者:
    
    reportSlotStatus 在接口中 SlotManager
    
    参数:
    
    instanceId - identifying the task manager for which to report the slot status
    
    slotReport - containing the status for all of its slots
    
    返回:
    
    true if the slot status has been updated successfully, otherwise false
  - freeSlot
```
public void freeSlot(SlotID slotId,
                     AllocationID allocationId)
```
    Free the given slot from the given allocation. If the slot is still allocated by the given allocation id, then the slot will be freed.
    
    指定者:
    
    freeSlot 在接口中 SlotManager
    
    参数:
    
    slotId - identifying the slot to free, will be ignored
    
    allocationId - with which the slot is presumably allocated
  - getNumberRegisteredSlots
```
public int getNumberRegisteredSlots()
```
    指定者:
    
    getNumberRegisteredSlots 在接口中 SlotManager
  - getNumberRegisteredSlotsOf
```
public int getNumberRegisteredSlotsOf(InstanceID instanceId)
```
    指定者:
    
    getNumberRegisteredSlotsOf 在接口中 SlotManager
  - getNumberFreeSlots
```
public int getNumberFreeSlots()
```
    指定者:
    
    getNumberFreeSlots 在接口中 SlotManager
  - getNumberFreeSlotsOf
```
public int getNumberFreeSlotsOf(InstanceID instanceId)
```
    指定者:
    
    getNumberFreeSlotsOf 在接口中 SlotManager
  - getRequiredResources
```
public Map<WorkerResourceSpec,Integer> getRequiredResources()
```
    从接口复制的说明: SlotManager
    
    Get number of workers SlotManager requested from ResourceActions that are not yet fulfilled.
    
    指定者:
    
    getRequiredResources 在接口中 SlotManager
    
    返回:
    
    a map whose key set is all the unique resource specs of the pending workers, and the corresponding value is number of pending workers of that resource spec.
  - getRegisteredResource
```
public ResourceProfile getRegisteredResource()
```
    指定者:
    
    getRegisteredResource 在接口中 SlotManager
  - getRegisteredResourceOf
```
public ResourceProfile getRegisteredResourceOf(InstanceID instanceID)
```
    指定者:
    
    getRegisteredResourceOf 在接口中 SlotManager
  - getFreeResource
```
public ResourceProfile getFreeResource()
```
    指定者:
    
    getFreeResource 在接口中 SlotManager
  - getFreeResourceOf
```
public ResourceProfile getFreeResourceOf(InstanceID instanceID)
```
    指定者:
    
    getFreeResourceOf 在接口中 SlotManager
  - getAllocatedSlotsOf
```
public Collection<SlotInfo> getAllocatedSlotsOf(InstanceID instanceID)
```
    指定者:
    
    getAllocatedSlotsOf 在接口中 SlotManager
  - getTaskManagerIdleSince
```
@VisibleForTesting
public long getTaskManagerIdleSince(InstanceID instanceId)
```

类 FineGrainedSlotManager

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

FineGrainedSlotManager

方法详细资料

setFailUnfulfillableRequest

start

suspend

close

clearResourceRequirements

processResourceRequirements

registerTaskManager

unregisterTaskManager

reportSlotStatus

freeSlot

getNumberRegisteredSlots

getNumberRegisteredSlotsOf

getNumberFreeSlots

getNumberFreeSlotsOf

getRequiredResources

getRegisteredResource

getRegisteredResourceOf

getFreeResource

getFreeResourceOf

getAllocatedSlotsOf

getTaskManagerIdleSince