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https://issues.apache.org/jira/browse/JAMES-4042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17851740#comment-17851740
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Karsten Otto commented on JAMES-4042:
-------------------------------------

I did the AsyncSafeTask thing a while back for the ExpireMailboxTask, which 
could run for hours and cause queue consuming issues before. Would this help 
here?

> Task manager: issues with long tasks
> ------------------------------------
>
>                 Key: JAMES-4042
>                 URL: https://issues.apache.org/jira/browse/JAMES-4042
>             Project: James Server
>          Issue Type: Improvement
>          Components: rabbitmq, task
>    Affects Versions: master, 3.8.2
>            Reporter: Benoit Tellier
>            Priority: Major
>
> See JAMES-3955
> Today a tasks per default obey a 1 day consumer timeout (configurable!)
> Yet, we might have some tasks like deduplication that might take longer than 
> a day to complete...
> As of today tihis means such a task would complete but very likely crash the 
> consumer.
> Likely, getting such long jobs in the first place might not be the best idea.
> Things like deduplication could be packaged in separate binaries that one 
> could run independently of James thus avoiding the issue altogether... We 
> could allow this as an alternative way to run such long tasks.
> Moreover, I think if needed we could write a Proof Of Concept of running the 
> GC on top of something like Apache Spark to leverage parallele computations.



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