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https://issues.apache.org/jira/browse/BEAM-8403?focusedWorklogId=328810&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-328810
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ASF GitHub Bot logged work on BEAM-8403:
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Author: ASF GitHub Bot
Created on: 15/Oct/19 22:25
Start Date: 15/Oct/19 22:25
Worklog Time Spent: 10m
Work Description: tweise commented on issue #9800: [BEAM-8403] Guard
request id generation to prevent concurrent worker access
URL: https://github.com/apache/beam/pull/9800#issuecomment-542425967
@aaltay ignoring the specific dependency, what is the generally recommended
approach for such situations? Explicit locking or are there other/better
options?
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Issue Time Tracking
-------------------
Worklog Id: (was: 328810)
Time Spent: 1h (was: 50m)
> Race condition in request id generation of GrpcStateRequestHandler
> ------------------------------------------------------------------
>
> Key: BEAM-8403
> URL: https://issues.apache.org/jira/browse/BEAM-8403
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-harness
> Reporter: Maximilian Michels
> Assignee: Maximilian Michels
> Priority: Major
> Fix For: 2.17.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> There is a race condition in {{GrpcStateRequestHandler}} which surfaced after
> the recent changes to process append/clear state request asynchronously. The
> race condition can occur if multiple Runner workers process a transform with
> state requests with the same SDK Harness. For example, this setup occurs with
> Flink when a TaskManager has multiple task slots and two or more of those
> slots process the same stateful stage against an SDK Harness.
> CC [~robertwb]
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