[jira] [Commented] (JAMES-3803) DeliveryRunnable blocks email in BoundedElasticScheduler-queue if running out of threads

["Benoit Tellier (Jira)" <se...@james.apache.org>]

    [ https://issues.apache.org/jira/browse/JAMES-3803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17578353#comment-17578353 ] 

Benoit Tellier commented on JAMES-3803:
---------------------------------------

You encouter issues with ActiveMQ, right?

Can you confirm the following symptoms: Upon massive load, RemoteDelivery stops making progress?

Can you confirm the words "thread starvation" would summarize the technical problem at hand?

(Just to confirm I understand your problem correctly...)

What are technical solutions you would propose?

> DeliveryRunnable blocks email in BoundedElasticScheduler-queue if running out of threads
> ----------------------------------------------------------------------------------------
>
>                 Key: JAMES-3803
>                 URL: https://issues.apache.org/jira/browse/JAMES-3803
>             Project: James Server
>          Issue Type: Bug
>          Components: Mailet Contributions
>    Affects Versions: 3.7.0, 3.8.0
>            Reporter: Adrian Bucher
>            Priority: Major
>
> The DeliveryRunnable does use the same BoundedElasticScheduler (ThreadPool) for dequeuing the messages (long running thread), and processing (delivering) them, if lots of messages are dequeued and the BoundedElasticScheduler starts to queue them, the one queueing behind the dequeuing - long running thread are never processed nor delivered.
>  
> Messages are still visible in the embedded activemq delivery queues, a restart of the james will process them, as they will be reacknoledged by the dequeuer.
>  
>  



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