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From "Vilhelm von Ehrenheim (JIRA)" <>
Subject [jira] [Commented] (BEAM-3070) Add support for windowed filenames in Python SDK
Date Tue, 17 Oct 2017 20:43:00 GMT


Vilhelm von Ehrenheim commented on BEAM-3070:

[~altay] Just reported this. I couldn't find any ticket addressing this issue. If duplicated
let me know. If not I would be happy to start contributing on this if you think it is suitable.

> Add support for windowed filenames in Python SDK
> ------------------------------------------------
>                 Key: BEAM-3070
>                 URL:
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-py-core
>            Reporter: Vilhelm von Ehrenheim
>            Assignee: Ahmet Altay
> The Python SDK's FilebasedSink does not support windowed filenames. Currently the only
filename template available is based on shards.
> The Java SDK has this feature in the `FilenamePolicy.windowedFilename()`. The python
SDk only has a somewhat more simple implementation using a text template and `FileBasedSink._template_to_format()`
which does not support windows.

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