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https://issues.apache.org/jira/browse/HIVE-4880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13718373#comment-13718373
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Phabricator commented on HIVE-4880:
-----------------------------------
brock has commented on the revision "HIVE-4880 [jira] Rearrange explain order
of stages simpler".
INLINE COMMENTS
ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/StageIDRearranger.java:13
Yeah, in general people are thrown by the current ordering. However, for my
part, regardless of the ordering change the biggest thing I'd like to see here
is a simple-as-possible message explaining the stages and ordering.
REVISION DETAIL
https://reviews.facebook.net/D11733
BRANCH
HIVE-4880
ARCANIST PROJECT
hive
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: 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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