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From "Kevin McLaughlin (JIRA)" <>
Subject [jira] Commented: (AMQ-2586) "queue size " metrics for topics not accurate
Date Wed, 17 Feb 2010 00:48:40 GMT


Kevin McLaughlin commented on AMQ-2586:

Would it be possible to backport this small fix to 5.3.1?  We're looking at upgrading from
ActiveMQ 4.1 and we have monitoring that checks the broker's TotalMessageCount as an overall
health check of the system.  We can check each queue, but the overall check is nice since
any substantial backup across queues indicates a potential issue (in our application).

> "queue size " metrics for topics not accurate
> ---------------------------------------------
>                 Key: AMQ-2586
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>            Reporter: Hiram Chirino
>             Fix For: 5.4.0
> The queue size metric for topics is currently not accurate.  It is also throwing off
the broker total message count metric.  In the queue case this metric is always going up but
never comes down.  Since there is no "queue" for topics it would be better if this metrics
just reported 0.
> An alternative solution would be to sum the number of messages in all the subscriptions
attached to the topic.

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