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Posted to issues@beam.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/03/05 21:14:00 UTC
[jira] [Work logged] (BEAM-562) DoFn Reuse: Add new methods to DoFn
[ https://issues.apache.org/jira/browse/BEAM-562?focusedWorklogId=208070&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-208070 ]
ASF GitHub Bot logged work on BEAM-562:
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Author: ASF GitHub Bot
Created on: 05/Mar/19 21:13
Start Date: 05/Mar/19 21:13
Worklog Time Spent: 10m
Work Description: yifanmai commented on pull request #7994: [BEAM-562] Add DoFn.setup and DoFn.teardown to Python SDK
URL: https://github.com/apache/beam/pull/7994
DoFn.setup and DoFn.teardown is currently supported in Java but not Python. These methods are useful for performing expensive per-thread initialization. This change adds those methods to make the Python SDK more consistent with the Java SDK. It also modifies the direct runner to invoke these methods.
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Lang | SDK | Apex | Dataflow | Flink | Gearpump | Samza | Spark
--- | --- | --- | --- | --- | --- | --- | ---
Go | [](https://builds.apache.org/job/beam_PostCommit_Go/lastCompletedBuild/) | --- | --- | --- | --- | --- | ---
Java | [](https://builds.apache.org/job/beam_PostCommit_Java/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Apex/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Dataflow/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Java_PVR_Flink_Batch/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Java_PVR_Flink_Streaming/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Gearpump/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Samza/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/lastCompletedBuild/)
Python | [](https://builds.apache.org/job/beam_PostCommit_Python_Verify/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Python3_Verify/lastCompletedBuild/) | --- | [](https://builds.apache.org/job/beam_PostCommit_Py_VR_Dataflow/lastCompletedBuild/) <br> [](https://builds.apache.org/job/beam_PostCommit_Py_ValCont/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PreCommit_Python_PVR_Flink_Cron/lastCompletedBuild/) | --- | --- | ---
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Issue Time Tracking
-------------------
Worklog Id: (was: 208070)
Time Spent: 10m
Remaining Estimate: 0h
> 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: 10m
> 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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