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https://issues.apache.org/jira/browse/AMQ-8254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17338983#comment-17338983
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ChiTrinh commented on AMQ-8254:
-------------------------------

[~cshannon] , I dont know why [~hnvasa] mentioned about unclean shutdown. We 
did not do any shutdown. The way to reproduce is to fill broker disk until like 
80% store percent usage, then consumer the message. After all the messages are 
gone, the store percent usage is still high ( 10-15%). 

> KahaDB index does not shrink on cleaning in-use data files
> ----------------------------------------------------------
>
>                 Key: AMQ-8254
>                 URL: https://issues.apache.org/jira/browse/AMQ-8254
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: KahaDB
>    Affects Versions: 5.15.4
>            Reporter: Vasa
>            Priority: Major
>
> KahaDB index keeps growing over time which occupies broker disk space.
> The index does not shrink when in-use journal files are cleared after 
> messages from the broker are consumed.
> Further, on unclean shutdown of the broker the known free pages are lost and 
> no longer tracked. This causes new pages to be created which takes up further 
> more disk space.



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