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From "Phabricator (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-4880) Rearrange explain order of stages simpler
Date Fri, 18 Oct 2013 01:10:42 GMT

     [ https://issues.apache.org/jira/browse/HIVE-4880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Phabricator updated HIVE-4880:
------------------------------

    Attachment: D11733.2.patch

navis updated the revision "HIVE-4880 [jira] Rearrange explain order of stages simpler".

  Optionized explain ouput

Reviewers: hagleitn, JIRA

REVISION DETAIL
  https://reviews.facebook.net/D11733

CHANGE SINCE LAST DIFF
  https://reviews.facebook.net/D11733?vs=35871&id=41883#toc

AFFECTED FILES
  common/src/java/org/apache/hadoop/hive/common/ObjectPair.java
  common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
  ql/src/java/org/apache/hadoop/hive/ql/exec/ExplainTask.java
  ql/src/java/org/apache/hadoop/hive/ql/exec/Task.java
  ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/PhysicalOptimizer.java
  ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/StageIDsRearranger.java
  ql/src/java/org/apache/hadoop/hive/ql/parse/ExplainSemanticAnalyzer.java
  ql/src/java/org/apache/hadoop/hive/ql/plan/ExplainWork.java
  ql/src/test/queries/clientpositive/explain_rearrange.q
  ql/src/test/results/clientpositive/auto_sortmerge_join_9.q.out
  ql/src/test/results/clientpositive/explain_rearrange.q.out

To: JIRA, hagleitn, navis
Cc: brock


> 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: D11733.2.patch, 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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