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Posted to issues@activemq.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2025/06/03 19:13:00 UTC
[jira] [Work logged] (ARTEMIS-5499) Refactor MQTT subscription persistence
[ https://issues.apache.org/jira/browse/ARTEMIS-5499?focusedWorklogId=971698&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-971698 ]
ASF GitHub Bot logged work on ARTEMIS-5499:
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Author: ASF GitHub Bot
Created on: 03/Jun/25 19:12
Start Date: 03/Jun/25 19:12
Worklog Time Spent: 10m
Work Description: jbertram commented on PR #5715:
URL: https://github.com/apache/activemq-artemis/pull/5715#issuecomment-2936798543
@clebertsuconic, I think this is ready to merge. Can you give it a review?
Issue Time Tracking
-------------------
Worklog Id: (was: 971698)
Time Spent: 4h 20m (was: 4h 10m)
> Refactor MQTT subscription persistence
> --------------------------------------
>
> Key: ARTEMIS-5499
> URL: https://issues.apache.org/jira/browse/ARTEMIS-5499
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Reporter: Justin Bertram
> Assignee: Justin Bertram
> Priority: Major
> Labels: pull-request-available
> Time Spent: 4h 20m
> Remaining Estimate: 0h
>
> The current way the broker persists MQTT subscription data has the potential to starve the broker of threads. It also leads to timeouts like this under load:
> {noformat}
> java.lang.IllegalStateException: AMQ850000: Unable to store MQTT state within given timeout: 5000ms
> at org.apache.activemq.artemis.core.protocol.mqtt.MQTTStateManager.storeSessionState(MQTTStateManager.java:192)
> at org.apache.activemq.artemis.core.protocol.mqtt.MQTTSubscriptionManager.addSubscriptions(MQTTSubscriptionManager.java:334){noformat}
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