[jira] [Commented] (SPARK-33230) FileOutputWriter to set jobConf "spark.sql.sources.writeJobUUID" to description.uuid

["Apache Spark (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-33230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17219705#comment-17219705 ] 

Apache Spark commented on SPARK-33230:
--------------------------------------

User 'steveloughran' has created a pull request for this issue:
https://github.com/apache/spark/pull/30141

> FileOutputWriter to set jobConf "spark.sql.sources.writeJobUUID" to description.uuid
> ------------------------------------------------------------------------------------
>
>                 Key: SPARK-33230
>                 URL: https://issues.apache.org/jira/browse/SPARK-33230
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.4.7, 3.0.1
>            Reporter: Steve Loughran
>            Priority: Minor
>
> The Hadoop S3A staging committer has problems with >1 spark sql query being launched simultaneously, as it uses the jobID for its path in the clusterFS to pass the commit information from tasks to job committer. 
> If two queries are launched in the same second, they conflict and the output of job 1 includes that of all job2 files written so far; job 2 will fail with FNFE.
> Proposed:
> job conf to set {{"spark.sql.sources.writeJobUUID"}} to the value of {{WriteJobDescription.uuid}}
> That was the property name which used to serve this purpose; any committers already written which use this property will pick it up without needing any changes.



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