# Package org.apache.storm.scheduler.multitenant

- Class Summary
  Class | Description
  --- | ---
  DefaultPool | A pool of machines that anyone can use, but topologies are not isolated
  FreePool | All of the machines that currently have nothing assigned to them
  IsolatedPool | A pool of machines that can be used to run isolated topologies
  MultitenantScheduler |
  Node | Represents a single node in the cluster.
  NodePool | A pool of nodes that can be used to run topologies.
  NodePool.NodeAndSlotCounts |
  NodePool.RoundRobinSlotScheduler | Place executors into slots in a round robin way, taking into account component spreading among different hosts.

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