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https://issues.apache.org/jira/browse/SPARK-3292?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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guowei updated SPARK-3292:
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Description:
such as repartition groupby join and cogroup
it's too expensive ,
for example if i want outputs save as hadoop file ,then many emtpy file
generate.
was:
such as repartition groupby join and cogroup
it's too expensive , for example if i want outputs save as hadoop file ,then
many emtpy file generate.
> Shuffle Tasks run incessantly even though there's no inputs
> -----------------------------------------------------------
>
> Key: SPARK-3292
> URL: https://issues.apache.org/jira/browse/SPARK-3292
> Project: Spark
> Issue Type: Improvement
> Components: Streaming
> Affects Versions: 1.0.2
> Reporter: guowei
>
> such as repartition groupby join and cogroup
> it's too expensive ,
> for example if i want outputs save as hadoop file ,then many emtpy file
> generate.
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