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https://issues.apache.org/jira/browse/BEAM-4834?focusedWorklogId=125649&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-125649
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ASF GitHub Bot logged work on BEAM-4834:
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Author: ASF GitHub Bot
Created on: 20/Jul/18 21:07
Start Date: 20/Jul/18 21:07
Worklog Time Spent: 10m
Work Description: angoenka commented on issue #6007: [BEAM-4834] Identify
loops before doing topological sort of pipeline network
URL: https://github.com/apache/beam/pull/6007#issuecomment-406727242
Without identifying loop, topological sort will go into infinite loop.
To make sure we fail in a timely and meaningful manner, we should fail on
loop.
And we can revisit to see how can we support loops in the pipeline.
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Issue Time Tracking
-------------------
Worklog Id: (was: 125649)
Time Spent: 1h (was: 50m)
> Validate cycles in org.apache.beam.runners.core.construction.graph.Network
> before doing topological sort
> --------------------------------------------------------------------------------------------------------
>
> Key: BEAM-4834
> URL: https://issues.apache.org/jira/browse/BEAM-4834
> Project: Beam
> Issue Type: Bug
> Components: runner-core
> Reporter: Ankur Goenka
> Assignee: Ankur Goenka
> Priority: Major
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Cyclic graphs will never finish the topological sort so we should check the
> cycle before doing the topological sort.
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