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From "Edward Capriolo (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4880) Rearrange explain order of stages simpler
Date Wed, 24 Jul 2013 15:15:51 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13718466#comment-13718466
] 

Edward Capriolo commented on HIVE-4880:
---------------------------------------

I do not have anything to add other then I like the look of candidate-1 and candidate-2 better
then the original.

[~navis] please add javadoc to the class and explain why we need it, something like 'we use
this to make the output of explain prettier'
                
> Rearrange explain order of stages simpler
> -----------------------------------------
>
>                 Key: HIVE-4880
>                 URL: https://issues.apache.org/jira/browse/HIVE-4880
>             Project: Hive
>          Issue Type: Improvement
>          Components: Diagnosability
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Trivial
>         Attachments: HIVE-4880.D11733.1.patch
>
>
> Current explain order of stages is not best form to read (and to debug)
> {noformat}
> Before:
> STAGE DEPENDENCIES:
>   Stage-1 is a root stage
>   Stage-7 depends on stages: Stage-1 , consists of Stage-4, Stage-3, Stage-5
>   Stage-4
>   Stage-0 depends on stages: Stage-4, Stage-3, Stage-6
>   Stage-9 depends on stages: Stage-0
>   Stage-2 depends on stages: Stage-9
>   Stage-3
>   Stage-5
>   Stage-6 depends on stages: Stage-5
> After:
> STAGE DEPENDENCIES:
>   Stage-1 is a root stage
>   Stage-2 depends on stages: Stage-1 , consists of Stage-3, Stage-4, Stage-5
>   Stage-3
>   Stage-4
>   Stage-5
>   Stage-6 depends on stages: Stage-5
>   Stage-7 depends on stages: Stage-3, Stage-4, Stage-6
>   Stage-8 depends on stages: Stage-7
>   Stage-9 depends on stages: Stage-8
> {noformat}

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