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