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https://issues.apache.org/jira/browse/BEAM-8312?focusedWorklogId=319924&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-319924
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ASF GitHub Bot logged work on BEAM-8312:
----------------------------------------
Author: ASF GitHub Bot
Created on: 28/Sep/19 00:58
Start Date: 28/Sep/19 00:58
Worklog Time Spent: 10m
Work Description: robertwb commented on pull request #9681: [BEAM-8312]
ArtifactRetrievalService serving artifacts from jar.
URL: https://github.com/apache/beam/pull/9681
------------------------
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Issue Time Tracking
-------------------
Worklog Id: (was: 319924)
Remaining Estimate: 0h
Time Spent: 10m
> Flink portable pipeline jars do not need to stage artifacts remotely
> --------------------------------------------------------------------
>
> Key: BEAM-8312
> URL: https://issues.apache.org/jira/browse/BEAM-8312
> Project: Beam
> Issue Type: Improvement
> Components: runner-flink
> Reporter: Kyle Weaver
> Assignee: Kyle Weaver
> Priority: Major
> Labels: portability-flink
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Currently, Flink job jars re-stage all artifacts at runtime (on the
> JobManager) by using the usual BeamFileSystemArtifactRetrievalService [1].
> However, since the manifest and all the artifacts live on the classpath of
> the jar, and everything from the classpath is copied to the Flink workers
> anyway [2], it should not be necessary to do additional artifact staging. We
> could replace BeamFileSystemArtifactRetrievalService in this case with a
> simple ArtifactRetrievalService that just pulls the artifacts from the
> classpath.
>
> [1]
> [https://github.com/apache/beam/blob/340c3202b1e5824b959f5f9f626e4c7c7842a3cb/runners/java-fn-execution/src/main/java/org/apache/beam/runners/fnexecution/artifact/BeamFileSystemArtifactRetrievalService.java]
> [2]
> [https://github.com/apache/beam/blob/2f1b56ccc506054e40afe4793a8b556e872e1865/runners/flink/src/main/java/org/apache/beam/runners/flink/FlinkExecutionEnvironments.java#L93]
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