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Posted to issues@activemq.apache.org by "Matt Pavlovich (Jira)" <ji...@apache.org> on 2021/03/18 14:17:00 UTC

[jira] [Assigned] (AMQ-5148) LastImageRecovery after broker restart

     [ https://issues.apache.org/jira/browse/AMQ-5148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Pavlovich reassigned AMQ-5148:
-----------------------------------

    Assignee: Matt Pavlovich

> LastImageRecovery after broker restart
> --------------------------------------
>
>                 Key: AMQ-5148
>                 URL: https://issues.apache.org/jira/browse/AMQ-5148
>             Project: ActiveMQ
>          Issue Type: New Feature
>    Affects Versions: 5.9.1
>            Reporter: Charles Li
>            Assignee: Matt Pavlovich
>            Priority: Major
>
> Recently i am assigned to study lastImageRecovery policy. 
> For currently available lastImageRecovery, the last image is stored in memory ; after a broker restart, all images are gone.
> Theres a need to implement such a recovery policy.
> 1. store last image of each topic on disk
> 2. after broker restart, when a consumer reconnects to a topic, its last image(which is the last image before the broker restart) is recovered.
> 3. if producer generates new message, replace the one on the disk.
> I think this is a common usage for financial application. Could anyone give me a hint? Thank you very much.



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