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https://issues.apache.org/jira/browse/ARTEMIS-1663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16355801#comment-16355801
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ASF GitHub Bot commented on ARTEMIS-1663:
-----------------------------------------
Github user cshannon commented on the issue:
https://github.com/apache/activemq-artemis/pull/1853
@clebertsuconic - I did some cleanup work and I added a couple of basic
tests to the compatibility test. It doesn't do much but show that the current
snapshot can load a 2.4 journal successfully (and it can load the paging store
as well). We can expand the tests with more if you want.
Also, I removed the persistentSize from the PageCountPendingImpl class as
the size (and the count apparently) aren't actually used and not needed. On
recovery we can recover the size from the paged reference.
Do you think this is ready to merge?
> 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
>
> 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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