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Posted to issues@tez.apache.org by "Jeff Zhang (JIRA)" <ji...@apache.org> on 2015/05/21 08:13:01 UTC

[jira] [Updated] (TEZ-391) SharedEdge - Support for passing same output from a vertex as input to two different vertices

     [ https://issues.apache.org/jira/browse/TEZ-391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jeff Zhang updated TEZ-391:
---------------------------
    Attachment: TEZ-391-WIP-7.patch

> SharedEdge - Support for passing same output from a vertex as input to two different vertices
> ---------------------------------------------------------------------------------------------
>
>                 Key: TEZ-391
>                 URL: https://issues.apache.org/jira/browse/TEZ-391
>             Project: Apache Tez
>          Issue Type: Sub-task
>            Reporter: Rohini Palaniswamy
>            Assignee: Jeff Zhang
>         Attachments: Shared Edge Design.pdf, TEZ-391-WIP-1.patch, TEZ-391-WIP-2.patch, TEZ-391-WIP-3.patch, TEZ-391-WIP-4.patch, TEZ-391-WIP-5.patch, TEZ-391-WIP-6.patch, TEZ-391-WIP-7.patch
>
>
>   We need this for lot of usecases. For cases where multi-query is turned off and for optimizing unions. Currently those are BROADCAST or ONE-ONE edges and we write the output multiple times.



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