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Posted to issues@tez.apache.org by "Laszlo Bodor (Jira)" <ji...@apache.org> on 2019/09/17 07:41:00 UTC

[jira] [Commented] (TEZ-4079) Limit the size of broadcast data

    [ https://issues.apache.org/jira/browse/TEZ-4079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16931148#comment-16931148 ] 

Laszlo Bodor commented on TEZ-4079:
-----------------------------------

I'm interested in this task, can I get it assigned to me? i would take a look [~jeagles]

> 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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