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Posted to dev@uima.apache.org by "Jerry Cwiklik (JIRA)" <de...@uima.apache.org> on 2017/10/02 18:26:01 UTC

[jira] [Commented] (UIMA-5587) DUCC Process Manager (PM) takes OOM on Apache DUCC demo

    [ https://issues.apache.org/jira/browse/UIMA-5587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16188565#comment-16188565 ] 

Jerry Cwiklik commented on UIMA-5587:
-------------------------------------

Correction, the prefetch size for AMQ topics is actually 32766

> DUCC Process Manager (PM) takes OOM on Apache DUCC demo
> -------------------------------------------------------
>
>                 Key: UIMA-5587
>                 URL: https://issues.apache.org/jira/browse/UIMA-5587
>             Project: UIMA
>          Issue Type: Bug
>          Components: DUCC
>            Reporter: Lou DeGenaro
>            Assignee: Jerry Cwiklik
>            Priority: Minor
>             Fix For: future-DUCC
>
>
> Apache DUCC demo has PM that runs with reduced memory -Xmx200M
> On at least 2 occasions PM has taken OOM.  Core dumps have resulted that indicate that PM is flooded with multiple OR publications that is supposed to be handled by "BlastGuard"?
> Investigate what storage is being used for and if multiple OR messages are being processed in parallel.  Perhaps Camel should be configured to process OR message sequentially if it isn't already.



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