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https://issues.apache.org/jira/browse/BEAM-562?focusedWorklogId=230314&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-230314
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ASF GitHub Bot logged work on BEAM-562:
---------------------------------------
Author: ASF GitHub Bot
Created on: 19/Apr/19 23:24
Start Date: 19/Apr/19 23:24
Worklog Time Spent: 10m
Work Description: yifanmai commented on issue #7994: [BEAM-562] Add
DoFn.setup and DoFn.teardown to Python SDK
URL: https://github.com/apache/beam/pull/7994#issuecomment-485036849
> If `self._perform_dofn_pickle_test` is false, it looks like it is not
cloned but comes directly from `self._appliedptransform.transform.dofn`. Is the
whole appliedptransform clone per bundle?
I added some pdb breakpoints and confirmed that the DoFn is cloned during
the test and that the lifecycle methods are called on the clones. See this
[thread](https://github.com/apache/beam/pull/7994#discussion_r277110671) for
where the cloning occurs.
(I am also unable to reply to this comment for some reason.)
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Issue Time Tracking
-------------------
Worklog Id: (was: 230314)
Time Spent: 6h 20m (was: 6h 10m)
> DoFn Reuse: Add new methods to DoFn
> -----------------------------------
>
> Key: BEAM-562
> URL: https://issues.apache.org/jira/browse/BEAM-562
> Project: Beam
> Issue Type: New Feature
> Components: sdk-py-core
> Reporter: Ahmet Altay
> Priority: Major
> Labels: sdk-consistency, triaged
> Time Spent: 6h 20m
> Remaining Estimate: 0h
>
> Java SDK added setup and teardown methods to the DoFns. This makes DoFns
> reusable and provide performance improvements. Python SDK should add support
> for these new DoFn methods:
> Proposal doc:
> https://docs.google.com/document/d/1LLQqggSePURt3XavKBGV7SZJYQ4NW8yCu63lBchzMRk/edit?ts=5771458f#
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