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Posted to issues@spark.apache.org by "Thomas Prelle (Jira)" <ji...@apache.org> on 2022/12/21 12:58:00 UTC
[jira] [Updated] (SPARK-41665) Spark streaming query scheduling synchronisation with Trigger Interval
[ https://issues.apache.org/jira/browse/SPARK-41665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Thomas Prelle updated SPARK-41665:
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Attachment: image-2022-12-21-07-57-18-679.png
> Spark streaming query scheduling synchronisation with Trigger Interval
> -----------------------------------------------------------------------
>
> Key: SPARK-41665
> URL: https://issues.apache.org/jira/browse/SPARK-41665
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 2.4.8, 3.0.3, 3.1.2, 3.2.2, 3.3.1
> Reporter: Thomas Prelle
> Priority: Major
> Attachments: image-2022-12-21-07-57-18-679.png, image-2022-12-21-07-57-32-654.png
>
>
> Hi,
> We detect a strange behavior on spark streaming when we set a trigger interval for example at 1 minutes all query will start at 0:00:00 0:01:00 0:02:00 no matter the start time of the query.
> So all query are "sync", so it's can disturbed a cluster a cluster i do leads to spike of utilisation
> !image-2022-12-21-07-51-54-157.png!
> For me the expected behavior should be like this
> !image-2022-12-21-07-53-24-367.png!
>
> It's because of this line
> [https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/TriggerExecutor.scala#L98]
> as now in intervalMS are long now / intervalMs * intervalMs will just cut in my case the second, as it's explicitely like this i do not know if it's the expected behavior or it's juste because this line it's here since 6 years. So it's affecting all versions since 6 years.
> Regards
> Thomas
>
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