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Posted to dev@qpid.apache.org by "Rob Godfrey (JIRA)" <ji...@apache.org> on 2016/02/22 01:00:23 UTC
[jira] [Assigned] (QPID-6764) Message age alerting is inappropriate
on the enqueue path
[ https://issues.apache.org/jira/browse/QPID-6764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rob Godfrey reassigned QPID-6764:
---------------------------------
Assignee: Rob Godfrey
> Message age alerting is inappropriate on the enqueue path
> ---------------------------------------------------------
>
> Key: QPID-6764
> URL: https://issues.apache.org/jira/browse/QPID-6764
> Project: Qpid
> Issue Type: Improvement
> Components: Java Broker
> Reporter: Keith Wall
> Assignee: Rob Godfrey
> Fix For: qpid-java-6.1
>
>
> The Java Broker supports number of configurable message/queue alerts such as message size alert (overly large messages), queue depth alert (queues with an unexpected number of message on them), or message age alert (a queue containing a message which is older than a threshold). These checks are performed in two places: periodically by housekeeping and when a message is enqueued.
> The message age alert check is performed on by housekeeping and on enqueue of a new message. The latter check is inappropriate and is a waste of resources. Unlike the other checks, enqueuing a message can't affect the outcome. It should be performed only be housekeeping.
> The message age check involves taking a lock on the oldest message - so may have a significant computation overhead.
>
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