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https://issues.apache.org/jira/browse/BEAM-6746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yifan Mai updated BEAM-6746:
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Issue Type: Improvement (was: Bug)
> Support DoFn.setup and DoFn.teardown in Python
> ----------------------------------------------
>
> Key: BEAM-6746
> URL: https://issues.apache.org/jira/browse/BEAM-6746
> Project: Beam
> Issue Type: Improvement
> Components: beam-model, sdk-py-core
> Reporter: Yifan Mai
> Priority: Major
>
> DoFn.setup and DoFn.teardown is currently supported in Java but not Python.
> These would be useful for performing expensive per-thread initialization.
> While lazy initialization is a usable workaround, first class support for
> setup and teardown would encourage consistent conventions and make the API
> more uniform with the Java version.
> This is related to BEAM-3736 (same issue, but for CombineFn).
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