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Posted to issues@tez.apache.org by "Jonathan Eagles (JIRA)" <ji...@apache.org> on 2018/02/26 21:53:00 UTC
[jira] [Updated] (TEZ-3897) Tez Local Mode hang for vertices with
broadcast input
[ https://issues.apache.org/jira/browse/TEZ-3897?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Eagles updated TEZ-3897:
---------------------------------
Description: Broadcast edges are not taken into consideration for slow-start edges so downstream tasks in local mode can start before upstream tasks. Without preemption in the scheduler, there will be a hang.
> Tez Local Mode hang for vertices with broadcast input
> -----------------------------------------------------
>
> Key: TEZ-3897
> URL: https://issues.apache.org/jira/browse/TEZ-3897
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Jonathan Eagles
> Assignee: Jonathan Eagles
> Priority: Major
>
> Broadcast edges are not taken into consideration for slow-start edges so downstream tasks in local mode can start before upstream tasks. Without preemption in the scheduler, there will be a hang.
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