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https://issues.apache.org/jira/browse/TEZ-4079?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Eagles updated TEZ-4079:
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Description:
Since broadcast data is fetched all from a single node currently. Large
broadcast data can DDOS shuffle handler with sufficiently high number of
downstream tasks.
> Limit the size of broadcast data
> --------------------------------
>
> Key: TEZ-4079
> URL: https://issues.apache.org/jira/browse/TEZ-4079
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Jonathan Eagles
> Priority: Major
>
> Since broadcast data is fetched all from a single node currently. Large
> broadcast data can DDOS shuffle handler with sufficiently high number of
> downstream tasks.
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