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
org.apache.storm.stats

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 and 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 and 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 and 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>	ISchedulingState.getAssignableSlots() Get all non-blacklisted slots in the cluster.
List<WorkerSlot>	Cluster.getAssignableSlots(SupervisorDetails supervisor)
List<WorkerSlot>	ISchedulingState.getAssignableSlots(SupervisorDetails supervisor) Return all non-blacklisted slots on this supervisor.
List<WorkerSlot>	Cluster.getAvailableSlots()
List<WorkerSlot>	ISchedulingState.getAvailableSlots() Get all the available worker slots in the cluster.
List<WorkerSlot>	Cluster.getAvailableSlots(SupervisorDetails supervisor)
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 and Description
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.assign(WorkerSlot slot, String topologyId, Collection<ExecutorDetails> executors) Assign the slot to the executors for this topology.
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	SchedulerAssignment.isSlotOccupied(WorkerSlot slot) Is this slot part of this assignment or not.
boolean	SchedulerAssignmentImpl.isSlotOccupied(WorkerSlot slot)
boolean	Cluster.isSlotOccupied(WorkerSlot slot)
boolean	ISchedulingState.isSlotOccupied(WorkerSlot slot) Check if a slot is occupied or not.
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 and 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 and Description
SchedulerAssignmentImpl(String topologyId, Map<ExecutorDetails,WorkerSlot> executorToSlot, Map<WorkerSlot,WorkerResources> resources, Map<String,Double> nodeIdToTotalSharedOffHeap) Create a new assignment.
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 and 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 and Description
Collection<WorkerSlot>	RAS_Node.getFreeSlots()
Collection<WorkerSlot>	RAS_Node.getSlotsAvailableToScheduleOn()
Collection<WorkerSlot>	RAS_Node.getUsedSlots()
Collection<WorkerSlot>	RAS_Node.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 and Description
void	RAS_Node.assign(WorkerSlot target, TopologyDetails td, Collection<ExecutorDetails> executors) Assigns a worker to a node.
void	RAS_Node.assignSingleExecutor(WorkerSlot ws, ExecutorDetails exec, TopologyDetails td) Assign a single executor to a slot, even if other things are in the slot.
void	RAS_Node.free(WorkerSlot ws) Frees a single slot in this node.
boolean	RAS_Node.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 and Description
void	RAS_Nodes.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 and Description
RAS_Node(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 that return WorkerSlot

Modifier and Type	Method and Description
protected WorkerSlot	BaseResourceAwareStrategy.findWorkerForExec(ExecutorDetails exec, TopologyDetails td, Iterable<String> sortedNodes) Find a worker to schedule executor exec on.

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

Modifier and Type	Method and Description
void	ConstraintSolverStrategy.SearcherState.backtrack(Map<ExecutorDetails,String> execToComp, RAS_Node node, WorkerSlot workerSlot)
boolean	ConstraintSolverStrategy.isExecAssignmentToWorkerValid(WorkerSlot worker, ConstraintSolverStrategy.SearcherState state) Check if any constraints are violated if exec is scheduled on worker.
void	ConstraintSolverStrategy.SearcherState.tryToSchedule(Map<ExecutorDetails,String> execToComp, RAS_Node node, WorkerSlot workerSlot)

Uses of WorkerSlot in org.apache.storm.stats

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

Modifier and Type	Method and Description
static List<WorkerSummary>	StatsUtil.aggWorkerStats(String stormId, String stormName, Map<Integer,String> task2Component, Map<List<Integer>,Map<String,Object>> beats, Map<List<Long>,List<Object>> exec2NodePort, Map<String,String> nodeHost, Map<WorkerSlot,WorkerResources> worker2Resources, boolean includeSys, boolean userAuthorized, String filterSupervisor, String owner) aggregate statistics per worker for a topology.