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Creates a summary file writer for the given log directory.

    logdir, max_queue=None, flush_millis=None, filename_suffix=None, name=None

Used in the notebooks

Used in the guide Used in the tutorials


  • logdir: a string specifying the directory in which to write an event file.
  • max_queue: the largest number of summaries to keep in a queue; will flush once the queue gets bigger than this. Defaults to 10.
  • flush_millis: the largest interval between flushes. Defaults to 120,000.
  • filename_suffix: optional suffix for the event file name. Defaults to .v2.
  • name: a name for the op that creates the writer.


A SummaryWriter object.