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Posted to issues@spark.apache.org by "Jungtaek Lim (Jira)" <ji...@apache.org> on 2021/09/01 06:03:00 UTC
[jira] [Assigned] (SPARK-36533) Allow streaming queries with
Trigger.Once run in multiple batches
[ https://issues.apache.org/jira/browse/SPARK-36533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jungtaek Lim reassigned SPARK-36533:
------------------------------------
Assignee: Bo Zhang
> Allow streaming queries with Trigger.Once run in multiple batches
> -----------------------------------------------------------------
>
> Key: SPARK-36533
> URL: https://issues.apache.org/jira/browse/SPARK-36533
> Project: Spark
> Issue Type: New Feature
> Components: Structured Streaming
> Affects Versions: 3.2.0
> Reporter: Bo Zhang
> Assignee: Bo Zhang
> Priority: Major
>
> Currently streaming queries with Trigger.Once will always load all of the available data in a single batch. Because of this, the amount of data the queries can process is limited, or Spark driver will be out of memory.
> We should allow streaming queries with Trigger.Once run in multiple batches.
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