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https://issues.apache.org/jira/browse/BEAM-10051?focusedWorklogId=436589&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-436589
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ASF GitHub Bot logged work on BEAM-10051:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 22/May/20 17:01
Start Date: 22/May/20 17:01
Worklog Time Spent: 10m
Work Description: lostluck merged pull request #11768:
URL: https://github.com/apache/beam/pull/11768
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Issue Time Tracking
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Worklog Id: (was: 436589)
Time Spent: 0.5h (was: 20m)
> Misordered check WRT closed data readers.
> -----------------------------------------
>
> Key: BEAM-10051
> URL: https://issues.apache.org/jira/browse/BEAM-10051
> Project: Beam
> Issue Type: Bug
> Components: sdk-go
> Reporter: Robert Burke
> Assignee: Robert Burke
> Priority: P2
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> This check
> https://github.com/apache/beam/blob/master/sdks/go/pkg/beam/core/runtime/harness/datamgr.go#L269
> in it's current position prevents the "normal teardown" that the reader
> expects. This means that readers for instructions that terminate early such
> as due to splitting stay resident in memory and never close.
> In practice this is benign as the buffer would already be closed, but with
> streaming this memory leak would become noticable.
> The fix is to move the check to after the sentinel check, and additionally
> check there for early termination to avoid closing the buffer twice.
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