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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-1630) Add Splittable DoFn to Python SDK
Date Sat, 02 Dec 2017 00:28:05 GMT


ASF GitHub Bot commented on BEAM-1630:

chamikaramj commented on a change in pull request #4064: [BEAM-1630] Adds support for processing
Splittable DoFns using DirectRunner.

 File path: sdks/python/apache_beam/runners/
 @@ -431,7 +530,13 @@ def _reraise_augmented(self, exn):
     raise new_exn, None, original_traceback
-class _OutputProcessor(object):
+class OutputProcessor(object):
+  def process_outputs(self, windowed_input_element, results):
+    raise NotImplementedError
 Review comment:
   We need to pass in a customer OutputProcessor when invoking SDF.process() instead of using
the default output processor since output has to be handled at ProcessFn.

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> Add Splittable DoFn to Python SDK
> ---------------------------------
>                 Key: BEAM-1630
>                 URL:
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-py-core
>            Reporter: Chamikara Jayalath
>            Assignee: Chamikara Jayalath
> Splittable DoFn [1] is currently being implemented for Java SDK [2]. We should add this
to Python SDK as well.
> Following document proposes an API for this.
> [1]
> [2]

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