Uses of Class
org.apache.storm.scheduler.WorkerSlot

Packages that use WorkerSlot

Package	Description
org.apache.storm.daemon.nimbus
org.apache.storm.scheduler
org.apache.storm.scheduler.multitenant
org.apache.storm.scheduler.resource
org.apache.storm.scheduler.resource.strategies.scheduling

Uses of WorkerSlot in org.apache.storm.daemon.nimbus

Methods in org.apache.storm.daemon.nimbus that return types with arguments of type WorkerSlot

Modifier and Type	Method	Description
Collection<WorkerSlot>	Nimbus.StandaloneINimbus.allSlotsAvailableForScheduling(Collection<SupervisorDetails> supervisors, Topologies topologies, Set<String> topologiesMissingAssignments)

Method parameters in org.apache.storm.daemon.nimbus with type arguments of type WorkerSlot

Modifier and Type	Method	Description
void	Nimbus.StandaloneINimbus.assignSlots(Topologies topologies, Map<String,Collection<WorkerSlot>> newSlotsByTopologyId)

Uses of WorkerSlot in org.apache.storm.scheduler

Methods in org.apache.storm.scheduler that return types with arguments of type WorkerSlot

Modifier and Type	Method	Description
Collection<WorkerSlot>	INimbus.allSlotsAvailableForScheduling(Collection<SupervisorDetails> existingSupervisors, Topologies topologies, Set<String> topologiesMissingAssignments)	Returns all slots that are available for the next round of scheduling.
static Map<WorkerSlot,List<ExecutorDetails>>	EvenScheduler.getAliveAssignedWorkerSlotExecutors(Cluster cluster, String topologyId)
List<WorkerSlot>	Cluster.getAssignableSlots()
List<WorkerSlot>	Cluster.getAssignableSlots(SupervisorDetails supervisor)
List<WorkerSlot>	ISchedulingState.getAssignableSlots()	Get all non-blacklisted slots in the cluster.
List<WorkerSlot>	ISchedulingState.getAssignableSlots(SupervisorDetails supervisor)	Return all non-blacklisted slots on this supervisor.
List<WorkerSlot>	Cluster.getAvailableSlots()
List<WorkerSlot>	Cluster.getAvailableSlots(SupervisorDetails supervisor)
List<WorkerSlot>	ISchedulingState.getAvailableSlots()	Get all the available worker slots in the cluster.
List<WorkerSlot>	ISchedulingState.getAvailableSlots(SupervisorDetails supervisor)	Return all the available slots on this supervisor.
Map<ExecutorDetails,WorkerSlot>	SchedulerAssignment.getExecutorToSlot()	Get the map of executor to WorkerSlot.
Map<ExecutorDetails,WorkerSlot>	SchedulerAssignmentImpl.getExecutorToSlot()
List<WorkerSlot>	Cluster.getNonBlacklistedAvailableSlots(List<String> blacklistedSupervisorIds)
List<WorkerSlot>	ISchedulingState.getNonBlacklistedAvailableSlots(List<String> blacklistedSupervisorIds)	Get all the available worker slots in the cluster, that are not blacklisted.
Map<WorkerSlot,WorkerResources>	SchedulerAssignment.getScheduledResources()	Get the slot to resource mapping.
Map<WorkerSlot,WorkerResources>	SchedulerAssignmentImpl.getScheduledResources()
Set<WorkerSlot>	SchedulerAssignment.getSlots()	Get the set of all slots that are a part of this.
Set<WorkerSlot>	SchedulerAssignmentImpl.getSlots()
Map<WorkerSlot,Collection<ExecutorDetails>>	SchedulerAssignment.getSlotToExecutors()	Get the mapping of slot to executors on that slot.
Map<WorkerSlot,Collection<ExecutorDetails>>	SchedulerAssignmentImpl.getSlotToExecutors()
Collection<WorkerSlot>	Cluster.getUsedSlots()
Collection<WorkerSlot>	ISchedulingState.getUsedSlots()	Get all currently occupied slots.
Collection<WorkerSlot>	Cluster.getUsedSlotsByTopologyId(String topologyId)
Collection<WorkerSlot>	ISchedulingState.getUsedSlotsByTopologyId(String topologyId)	get slots used by a topology.
Map<String,Map<WorkerSlot,WorkerResources>>	Cluster.getWorkerResourcesMap()
Map<String,Map<WorkerSlot,WorkerResources>>	ISchedulingState.getWorkerResourcesMap()	Gets the reference to the full topology->worker resource map.
static Set<WorkerSlot>	DefaultScheduler.slotsCanReassign(Cluster cluster, Set<WorkerSlot> slots)
static List<WorkerSlot>	EvenScheduler.sortSlots(List<WorkerSlot> availableSlots)

Methods in org.apache.storm.scheduler with parameters of type WorkerSlot

Modifier and Type	Method	Description
void	Cluster.assign(WorkerSlot slot, String topologyId, Collection<ExecutorDetails> executors)	Assign the slot to the executors for this topology.
void	SchedulerAssignmentImpl.assign(WorkerSlot slot, Collection<ExecutorDetails> executors)	Deprecated.
void	SchedulerAssignmentImpl.assign(WorkerSlot slot, Collection<ExecutorDetails> executors, WorkerResources slotResources)	Assign the slot to executors.
void	Cluster.freeSlot(WorkerSlot slot)	Free the specified slot.
WorkerResources	Cluster.getWorkerResources(WorkerSlot ws)
WorkerResources	ISchedulingState.getWorkerResources(WorkerSlot ws)	Get the resources for a given slot.
boolean	Cluster.isSlotOccupied(WorkerSlot slot)
boolean	ISchedulingState.isSlotOccupied(WorkerSlot slot)	Check if a slot is occupied or not.
boolean	SchedulerAssignment.isSlotOccupied(WorkerSlot slot)	Is this slot part of this assignment or not.
boolean	SchedulerAssignmentImpl.isSlotOccupied(WorkerSlot slot)
void	SchedulerAssignmentImpl.unassignBySlot(WorkerSlot slot)	Release the slot occupied by this assignment.
boolean	Cluster.wouldFit(WorkerSlot ws, ExecutorDetails exec, TopologyDetails td, NormalizedResourceOffer resourcesAvailable, double maxHeap)
boolean	ISchedulingState.wouldFit(WorkerSlot ws, ExecutorDetails exec, TopologyDetails td, NormalizedResourceOffer resourcesAvailable, double maxHeap)	Would scheduling exec on ws fit? With a heap <= maxHeap total memory added <= memoryAvailable and cpu added <= cpuAvailable.

Method parameters in org.apache.storm.scheduler with type arguments of type WorkerSlot

Modifier and Type	Method	Description
void	INimbus.assignSlots(Topologies topologies, Map<String,Collection<WorkerSlot>> newSlotsByTopologyId)	this is called after the assignment is changed in ZK.
void	Cluster.freeSlots(Collection<WorkerSlot> slots)	free the slots.
static Set<WorkerSlot>	DefaultScheduler.slotsCanReassign(Cluster cluster, Set<WorkerSlot> slots)
static List<WorkerSlot>	EvenScheduler.sortSlots(List<WorkerSlot> availableSlots)

Constructor parameters in org.apache.storm.scheduler with type arguments of type WorkerSlot

Constructor	Description
SchedulerAssignmentImpl(String topologyId, Map<ExecutorDetails,WorkerSlot> executorToSlot, Map<WorkerSlot,WorkerResources> resources, Map<String,Double> nodeIdToTotalSharedOffHeap)	Create a new assignment.

Uses of WorkerSlot in org.apache.storm.scheduler.multitenant

Methods in org.apache.storm.scheduler.multitenant with parameters of type WorkerSlot

Modifier and Type	Method	Description
void	Node.free(WorkerSlot ws, Cluster cluster, boolean forceFree)	Frees a single slot in this node.

Uses of WorkerSlot in org.apache.storm.scheduler.resource

Methods in org.apache.storm.scheduler.resource that return types with arguments of type WorkerSlot

Modifier and Type	Method	Description
Collection<WorkerSlot>	RasNode.getFreeSlots()
Collection<WorkerSlot>	RasNode.getSlotsAvailableToScheduleOn()
Collection<WorkerSlot>	RasNode.getUsedSlots()
Collection<WorkerSlot>	RasNode.getUsedSlots(String topId)	Get slots used by the given topology.

Methods in org.apache.storm.scheduler.resource with parameters of type WorkerSlot

Modifier and Type	Method	Description
void	RasNode.assign(WorkerSlot target, TopologyDetails td, Collection<ExecutorDetails> executors)	Assigns a worker to a node.
void	RasNode.assignSingleExecutor(WorkerSlot ws, ExecutorDetails exec, TopologyDetails td)	Assign a single executor to a slot, even if other things are in the slot.
void	RasNode.free(WorkerSlot ws)	Frees a single slot in this node.
boolean	RasNode.wouldFit(WorkerSlot ws, ExecutorDetails exec, TopologyDetails td)	Would scheduling exec in ws fit with the current resource constraints.

Method parameters in org.apache.storm.scheduler.resource with type arguments of type WorkerSlot

Modifier and Type	Method	Description
void	RasNodes.freeSlots(Collection<WorkerSlot> workerSlots)	Free everything on the given slots.

Constructor parameters in org.apache.storm.scheduler.resource with type arguments of type WorkerSlot

Constructor	Description
RasNode(String nodeId, SupervisorDetails sup, Cluster cluster, Map<String,WorkerSlot> workerIdToWorker, Map<String,Map<String,Collection<ExecutorDetails>>> assignmentMap)	Create a new node.

Uses of WorkerSlot in org.apache.storm.scheduler.resource.strategies.scheduling

Methods in org.apache.storm.scheduler.resource.strategies.scheduling with parameters of type WorkerSlot

Modifier and Type	Method	Description
protected int	BaseResourceAwareStrategy.assignBoundAckersForNewWorkerSlot(ExecutorDetails exec, RasNode node, WorkerSlot workerSlot)	Determine how many bound ackers to put into the given workerSlot.
void	SchedulingSearcherState.assignCurrentExecutor(Map<ExecutorDetails,String> execToComp, RasNode node, WorkerSlot workerSlot)	Attempt to assign current executor (execIndex points to) to worker and node.
void	SchedulingSearcherState.assignSingleBoundAcker(RasNode node, WorkerSlot workerSlot)	Remove the head of unassigned ackers and attempt to assign it to a workerSlot as a bound acker.
void	SchedulingSearcherState.backtrack(Map<ExecutorDetails,String> execToComp, RasNode[] nodesForExec, WorkerSlot[] workerSlotForExec)	Backtrack to prior executor that was directly assigned.
void	SchedulingSearcherState.freeWorkerSlotWithBoundAckers(RasNode node, WorkerSlot workerSlot)	Free the bound-ackers for the given node and workerSlot.
Map<String,Integer>	SchedulingSearcherState.getCompAssignmentCntMapForWorker(WorkerSlot workerSlot)	Get a map of component to count for the specified worker slot.
int	SchedulingSearcherState.getNumOfAckersToBind(ExecutorDetails exec, WorkerSlot workerSlot)	Determine how many bound ackers to put in before assigning the executor to current workerSlot.
protected boolean	BaseResourceAwareStrategy.isExecAssignmentToWorkerValid(ExecutorDetails exec, WorkerSlot worker)	Check if the assignment of the executor to the worker is valid.
protected boolean	ConstraintSolverStrategy.isExecAssignmentToWorkerValid(ExecutorDetails exec, WorkerSlot worker)	Check if any constraints are violated if exec is scheduled on worker.

Constructor parameters in org.apache.storm.scheduler.resource.strategies.scheduling with type arguments of type WorkerSlot

Constructor	Description
SchedulingSearcherState(Map<WorkerSlot,Map<String,Integer>> workerCompAssignmentCnts, Map<RasNode,Map<String,Integer>> nodeCompAssignmentCnts, int maxStatesSearched, long maxTimeMs, List<ExecutorDetails> execs, LinkedList<ExecutorDetails> unassignedAckers, TopologyDetails td, Map<ExecutorDetails,String> execToComp)