Module timely::progress

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Progress tracking mechanisms to support notification in timely dataflow



  • Broadcasts progress information among workers.
  • A collection of updates of the form (T, i64).
  • Tracks minimal sets of mutually incomparable elements of a partial order.
  • Methods which describe an operators topology, and the progress it makes.
  • Manages pointstamp reachability within a timely dataflow graph.
  • A dataflow subgraph
  • A partially ordered measure of progress at each timely dataflow location.


  • A timely dataflow location.
  • Names a source of a data stream.
  • Names a target of a data stream.


  • An operator port.