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Posted to issues@activemq.apache.org by "Clebert Suconic (Jira)" <ji...@apache.org> on 2024/09/23 17:05:00 UTC

[jira] [Comment Edited] (ARTEMIS-4971) AckManager "giving up" processing of Acks in warning log level

    [ https://issues.apache.org/jira/browse/ARTEMIS-4971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17883941#comment-17883941 ] 

Clebert Suconic edited comment on ARTEMIS-4971 at 9/23/24 5:04 PM:
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[~jpbriquet]I have minimized the number of ocurrencies the unack would happen. 


Since there are cases where it's ok to miss an ACK, I am adding a configuration option to log.warn when missed.

Say if you have consumers on the target queue, you could have a legal case of a missed ack.


was (Author: clebertsuconic):
[~jpbriquet]I have minimized the number of ocurrencies the unack would happen. But in case it happens I will now log.warn


although there are a few cases where it's expected to not ACK.. like after a failure.. etc... 


But that's what a warn is... a WARN.. it could be ok in certain cases.

> AckManager "giving up" processing of Acks in warning log level
> --------------------------------------------------------------
>
>                 Key: ARTEMIS-4971
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-4971
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>          Components: AMQP, Broker
>    Affects Versions: 2.35.0, 2.36.0
>            Reporter: Jean-Pascal Briquet
>            Assignee: Clebert Suconic
>            Priority: Minor
>             Fix For: 2.38.0
>
>
> Within the AMQP AckManager, the following log message, currently at DEBUG level, should be increased to WARN level:
> {code:java}
> logger.debug("Retried {} {} times, giving up on the entry now", retry, retry.getPageAttempts());{code}
> Setting this log to WARN level would allow operators to be aware of two things:
> - The AckManager may require configuration tuning of queue/page attempts. This can easily occur with the default configuration when handling large messages.
> - Missed message replication, which is crucial when replication is required, allowing operators to investigate the source of the problem.
> The downside is that this change may trigger a large number of logs when enabled on Artemis nodes containing messages created before the mirroring configuration activation.
> This might not be desirable for everyone, so it could be beneficial to have it enabled as an optional parameter, configurable via a system environment variable, similar to the fine-tuning options available for AckManager.
> Ideally, the log should as well contain the queue name, which would allow to track down the source of messages.



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