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Posted to issues@storm.apache.org by "Ethan Li (Jira)" <ji...@apache.org> on 2020/09/04 14:28:00 UTC

[jira] [Resolved] (STORM-3685) Detect Loops in Topology at Submit

     [ https://issues.apache.org/jira/browse/STORM-3685?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ethan Li resolved STORM-3685.
-----------------------------
    Resolution: Fixed

Thanks [~bipinprasad]. I merged this to master (8399edcfbb06b484f7b06a08d4d75e0a2c8d4e86)

 

Note that this commit doesn't prevent Cycles in the topology. It logs warnings when there are cycles in the topology. This is to avoid breaking existing topologies which might have cycles. 

> Detect Loops in Topology at Submit
> ----------------------------------
>
>                 Key: STORM-3685
>                 URL: https://issues.apache.org/jira/browse/STORM-3685
>             Project: Apache Storm
>          Issue Type: Improvement
>          Components: storm-client
>            Reporter: Bipin Prasad
>            Assignee: Bipin Prasad
>            Priority: Major
>             Fix For: 2.3.0
>
>          Time Spent: 7h 40m
>  Remaining Estimate: 0h
>
> Topology graph is expected to be a Directed Acyclic Graph (DAG). Detect cycles in DAG when Topology is submitted and prevent cycles in Topology.



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