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https://issues.apache.org/jira/browse/SPARK-2086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Patrick Wendell updated SPARK-2086:
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Description:
It would be nice if the toDebugString method of an RDD did a better job of
explaining where shuffle boundaries occur in the lineage graph. One way to do
this would be to only indent the tree at a shuffle boundary instead of
indenting it for every parent.
We can determine when a shuffle boundary occurs based on the type of dependency
seen in the RDD.
was:It would be nice if the toDebugString method of an RDD did a better job
of explaining where shuffle boundaries occur in the lineage graph. One way to
do this would be to only indent the tree at a shuffle boundary instead of
indenting it for every parent.
> Improve output of toDebugString to make shuffle boundaries more clear
> ---------------------------------------------------------------------
>
> Key: SPARK-2086
> URL: https://issues.apache.org/jira/browse/SPARK-2086
> Project: Spark
> Issue Type: Improvement
> Reporter: Patrick Wendell
> Assignee: Gregory Owen
> Priority: Minor
>
> It would be nice if the toDebugString method of an RDD did a better job of
> explaining where shuffle boundaries occur in the lineage graph. One way to do
> this would be to only indent the tree at a shuffle boundary instead of
> indenting it for every parent.
> We can determine when a shuffle boundary occurs based on the type of
> dependency seen in the RDD.
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