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https://issues.apache.org/jira/browse/ARTEMIS-1663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16590180#comment-16590180
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ASF GitHub Bot commented on ARTEMIS-1663:
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Github user michaelandrepearce commented on the issue:
https://github.com/apache/activemq-artemis/pull/2262
@cshannon we have an issue where we have reported message count that never
get dispatched, it was thought it was metric issue only, e.g. difference
between whats in the messageferences and the counter (e.g. the messages aren't
really there), but it looks like a more serious issue with the messages not
being delivered for one reason or another and the messages really are in
messageferences. They fun of a not very easy to replicate issue.
> Add enhanced message count and size metrics for Queues
> ------------------------------------------------------
>
> Key: ARTEMIS-1663
> URL: https://issues.apache.org/jira/browse/ARTEMIS-1663
> Project: ActiveMQ Artemis
> Issue Type: New Feature
> Components: Broker
> Affects Versions: 2.4.0
> Reporter: Christopher L. Shannon
> Assignee: Christopher L. Shannon
> Priority: Major
> Fix For: 2.5.0
>
>
> The purpose of this Jira is to enhance the message count metrics and to add
> size metrics for Queues. By size metrics I mean the encoded size of all the
> messages (for large messages this will include body as well). Right now we
> track memory usage but it is also very useful to know exactly how much data
> is pending on a Queue to be consumed.
> The scope of this will be support for tracking the count/size of pending
> messages, count/size of delivering messages, and count/size of scheduled
> messages. For each of these categories durable size metrics will be tracked
> as well. The paging store will also support tracking of size metrics as well.
> These new metrics will be exposed through JMX to allow users to view the
> statistics. Also by tracking these new values it will allow for enhanced
> features in the future (ie new flow control options)
>
>
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