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https://issues.apache.org/jira/browse/SPARK-24063?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcelo Vanzin reassigned SPARK-24063:
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    Assignee: Gabor Somogyi

> Control maximum epoch backlog
> -----------------------------
>
>                 Key: SPARK-24063
>                 URL: https://issues.apache.org/jira/browse/SPARK-24063
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Structured Streaming
>    Affects Versions: 2.4.0
>            Reporter: Efim Poberezkin
>            Assignee: Gabor Somogyi
>            Priority: Major
>
> As pointed out by [~joseph.torres] in 
> [https://github.com/apache/spark/pull/20936], both epoch queue and 
> commits/offsets maps are unbounded by the number of waiting epochs. According 
> to his proposal, we should introduce some configuration option for maximum 
> epoch backlog and report an error if the number of waiting epochs exceeds it.



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