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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/08/19 21:48:00 UTC
[jira] [Work logged] (BEAM-9979) Fix race condition where the read
index maybe reported from the last executed bundle
[ https://issues.apache.org/jira/browse/BEAM-9979?focusedWorklogId=472654&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-472654 ]
ASF GitHub Bot logged work on BEAM-9979:
----------------------------------------
Author: ASF GitHub Bot
Created on: 19/Aug/20 21:47
Start Date: 19/Aug/20 21:47
Worklog Time Spent: 10m
Work Description: lukecwik opened a new pull request #12636:
URL: https://github.com/apache/beam/pull/12636
This is preliminary work needed to be able to reset the BeamFnDataReadRunner to solve the race condition.
------------------------
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Issue Time Tracking
-------------------
Worklog Id: (was: 472654)
Remaining Estimate: 0h
Time Spent: 10m
> Fix race condition where the read index maybe reported from the last executed bundle
> ------------------------------------------------------------------------------------
>
> Key: BEAM-9979
> URL: https://issues.apache.org/jira/browse/BEAM-9979
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-harness
> Affects Versions: 2.21.0, 2.22.0, 2.23.0, 2.24.0
> Reporter: Luke Cwik
> Assignee: Luke Cwik
> Priority: P3
> Fix For: 2.25.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> When the BeamFnDataReadRunner is reused there is a short period of time when a progress request could happen before the the start function is called resetting the read index to -1.
> I believe there should be a way to *reset* an operator before it gets added to the set of cached bundle processors separate instead of placing clean-up in any *start* functions that those operators may rely on preventing exposing details of those operators before *start* may have been invoked.
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