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Posted to issues@tez.apache.org by "Mike Liddell (JIRA)" <ji...@apache.org> on 2013/05/15 22:25:16 UTC

[jira] [Resolved] (TEZ-31) Implement DAG::verify()

     [ https://issues.apache.org/jira/browse/TEZ-31?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mike Liddell resolved TEZ-31.
-----------------------------

    Resolution: Fixed
    
> Implement DAG::verify()
> -----------------------
>
>                 Key: TEZ-31
>                 URL: https://issues.apache.org/jira/browse/TEZ-31
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Hitesh Shah
>            Assignee: Mike Liddell
>              Labels: TEZ-0.2.0, TEZ-1
>         Attachments: TEZ-31.1.patch, TEZ-31.2.patch
>
>
> Should do basic sanity checking on a DAG 
>   - no cycles
>   - basic checks for single inbound and outbound edge per vertex ( for now until multiples are supported )
> May need to support a finalize() function in some sense that makes the DAG read-only before it can be serialized. 

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