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https://issues.apache.org/jira/browse/BEAM-5442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16622449#comment-16622449
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Maximilian Michels commented on BEAM-5442:
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Actually, if you look at {{get_all_options}} method you see it filter out all
the options which are not part of a {{PipelineOptions}} class. See
https://github.com/apache/beam/blob/master/sdks/python/apache_beam/options/pipeline_options.py#L212
So we just need to add a FlinkOptions derived from PipelineOptions to the
Python SDK.
> PortableRunner swallows custom options for Runner
> -------------------------------------------------
>
> Key: BEAM-5442
> URL: https://issues.apache.org/jira/browse/BEAM-5442
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core, sdk-py-core
> Reporter: Maximilian Michels
> Assignee: Maximilian Michels
> Priority: Major
> Labels: portability, portability-flink
> Fix For: 2.8.0
>
>
> The PortableRunner doesn't pass custom PipelineOptions to the executing
> Runner.
> Example: {{--parallelism=4}} won't be forwarded to the FlinkRunner.
> (The option is just removed during proto translation without any warning)
> We should allow some form of customization through the options, even for the
> PortableRunner.
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