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https://issues.apache.org/jira/browse/BEAM-1318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16865001#comment-16865001
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Thomas Weise commented on BEAM-1318:
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A warning is now logged when options are discarded: 
[https://github.com/apache/beam/blob/37b76b67b5d0cbd92e6a3fadee67f9fcf93cbc5d/sdks/python/apache_beam/options/pipeline_options.py#L261]

I assume this resolves the issue, please reopen if not.

 

 

> PipelineOptions should warn if there are unused options
> -------------------------------------------------------
>
>                 Key: BEAM-1318
>                 URL: https://issues.apache.org/jira/browse/BEAM-1318
>             Project: Beam
>          Issue Type: New Feature
>          Components: sdk-py-core
>            Reporter: Ahmet Altay
>            Priority: Minor
>              Labels: newbie, starter
>             Fix For: 2.11.0
>
>
> Since PipelineOptions uses argparse, it is possible that some options are 
> actually consumed by the program. In that case a better usage pattern would 
> be to pass only unconsumed options to PipelineOptions but we cannot enforce 
> this.
> This cannot be an error because of the above reason, but we can show a 
> warning.



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