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Posted to issues@spark.apache.org by "koert kuipers (Jira)" <ji...@apache.org> on 2020/03/29 02:52:00 UTC
[jira] [Updated] (SPARK-29302) dynamic partition overwrite with
speculation enabled
[ https://issues.apache.org/jira/browse/SPARK-29302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
koert kuipers updated SPARK-29302:
----------------------------------
Affects Version/s: 3.0.0
> dynamic partition overwrite with speculation enabled
> ----------------------------------------------------
>
> Key: SPARK-29302
> URL: https://issues.apache.org/jira/browse/SPARK-29302
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.4, 3.0.0
> Reporter: feiwang
> Priority: Major
> Attachments: screenshot-1.png, screenshot-2.png
>
>
> Now, for a dynamic partition overwrite operation, the filename of a task output is determinable.
> So, if speculation is enabled, would a task conflict with its relative speculation task?
> Would the two tasks concurrent write a same file?
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