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https://issues.apache.org/jira/browse/BEAM-4778?focusedWorklogId=123500&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-123500
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ASF GitHub Bot logged work on BEAM-4778:
----------------------------------------
Author: ASF GitHub Bot
Created on: 16/Jul/18 06:19
Start Date: 16/Jul/18 06:19
Worklog Time Spent: 10m
Work Description: ryan-williams opened a new pull request #5958:
[BEAM-4778] add option to flink job server to clean staged artifacts per-job
URL: https://github.com/apache/beam/pull/5958
when set, the `InMemoryJobService` subscribes to invoked jobs'
state-changes, and when it sees them complete, removes all associated artifacts
A few incidental moves/changes:
- expose `BeamFileSystemArtifactRetrievalService.loadManifest` publicly
- `StagingSessionToken`
- exposed publicly
- used instead of opaque `String`s in a few methods
- JSON serde moved to methods
R: @angoenka
Post-Commit Tests Status (on master branch)
------------------------------------------------------------------------------------------------
Lang | SDK | Apex | Dataflow | Flink | Gearpump | Samza | Spark
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Go | [](https://builds.apache.org/job/beam_PostCommit_Go_GradleBuild/lastCompletedBuild/)
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Java | [](https://builds.apache.org/job/beam_PostCommit_Java_GradleBuild/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Apex_Gradle/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Dataflow_Gradle/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink_Gradle/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Gearpump_Gradle/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Samza_Gradle/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark_Gradle/lastCompletedBuild/)
Python | [](https://builds.apache.org/job/beam_PostCommit_Python_Verify/lastCompletedBuild/)
| --- | [](https://builds.apache.org/job/beam_PostCommit_Py_VR_Dataflow/lastCompletedBuild/)
</br> [](https://builds.apache.org/job/beam_PostCommit_Py_ValCont/lastCompletedBuild/)
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Issue Time Tracking
-------------------
Worklog Id: (was: 123500)
Time Spent: 10m
Remaining Estimate: 0h
> Less wasteful ArtifactStagingService
> ------------------------------------
>
> Key: BEAM-4778
> URL: https://issues.apache.org/jira/browse/BEAM-4778
> Project: Beam
> Issue Type: Bug
> Components: runner-core
> Reporter: Eugene Kirpichov
> Assignee: Ryan Williams
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> [https://github.com/apache/beam/blob/master/runners/java-fn-execution/src/main/java/org/apache/beam/runners/fnexecution/artifact/BeamFileSystemArtifactStagingService.java]
> is the main implementation of ArtifactStagingService.
> It stages artifacts into a directory; and in practice the passed staging
> session token is such that the directory is different for every job. This
> leads to 2 issues:
> * It doesn't get cleaned up when the job finishes or even when the
> JobService shuts down, so we have disk space leaks if running a lot of jobs
> (e.g. a suite of ValidatesRunner tests)
> * We repeatedly re-stage the same artifacts. Instead, ideally, we should
> identify that some artifacts don't need to be staged - based on knowing their
> md5. The artifact staging protocol has rudimentary support for this but may
> need to be modified.
> CC: [~angoenka]
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