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https://issues.apache.org/jira/browse/ARTEMIS-4579?focusedWorklogId=900585&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-900585
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ASF GitHub Bot logged work on ARTEMIS-4579:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 19/Jan/24 05:57
Start Date: 19/Jan/24 05:57
Worklog Time Spent: 10m
Work Description: jsmucr opened a new pull request, #4752:
URL: https://github.com/apache/activemq-artemis/pull/4752
Alerting on issues with messages not being received properly for a period of
time is an uneasy task. We use the `getFirstMessageAge()` command to trigger
alerts in Zabbix, and it works as long as there are no consumers.
But this approach fails when there are consumers repeatedly failing to
receive a message. That message is getting scheduled for redelivery over and
over, and even though there still is an old message in the queue to be
reported, it's no longer visible via `getFirstMessage*()` API.
The goal here is to add a set of functions working with messages scheduled
for delivery:
```java
getFirstScheduledMessageAsJSON()
getFirstScheduledMessageTimestamp()
getFirstScheduledMessageAge()
```
It may be not the most effective approach but it's quite a convenient one,
especially when monitoring a wide set of queues, each with its own set of
alerts.
Issue Time Tracking
-------------------
Worklog Id: (was: 900585)
Remaining Estimate: 0h
Time Spent: 10m
> Add the *FirstMessage* API for scheduled messages
> -------------------------------------------------
>
> Key: ARTEMIS-4579
> URL: https://issues.apache.org/jira/browse/ARTEMIS-4579
> Project: ActiveMQ Artemis
> Issue Type: Improvement
> Components: API
> Affects Versions: 2.31.2
> Reporter: Jan Šmucr
> Priority: Major
> Fix For: 2.32.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Alerting on issues with messages not being received properly for a period of
> time is an uneasy task. We use the {{getFirstMessageAge()}} command to
> trigger alerts in Zabbix, and it works as long as there are no consumers.
> But this approach fails when there are consumers repeatedly failing to
> receive a message. That message is getting scheduled for redelivery over and
> over, and even though there still is an old message in the queue to be
> reported, it's no longer visible via {{getFirstMessage*()}} API.
> The goal here is to add a set of functions working with messages scheduled
> for delivery:
> {noformat}
> getFirstScheduledMessageAsJSON()
> getFirstScheduledMessageTimestamp()
> getFirstScheduledMessageAge()
> {noformat}
> It may be not the most effective approach but it's quite a convenient one,
> especially when monitoring a wide set of queues, each with its own set of
> alerts.
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