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https://issues.apache.org/jira/browse/AMQ-6134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15117148#comment-15117148
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Gary Tully commented on AMQ-6134:
---------------------------------

fyi https://issues.apache.org/jira/browse/AMQ-6084 in 5.13.1 may also be 
relevant

> ActiveMQ corrupted state when local disk fills up and Queues begin to buffer 
> to KahaDB
> --------------------------------------------------------------------------------------
>
>                 Key: AMQ-6134
>                 URL: https://issues.apache.org/jira/browse/AMQ-6134
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: KahaDB
>    Affects Versions: 5.11.1
>            Reporter: Paul Smith
>            Priority: Critical
>         Attachments: activemq.log, activemq.xml
>
>
> There are already issues reporting this in AMQ-3098 and AMQ-5786 but they 
> have been closed as Incomplete, I've left a comment on 5786 but I fear that 
> it may get lost.
> Fundamentally KahaDB & ActiveMQ do not survive if Queues start filling up and 
> buffering to KahaDB disk when the disk then becomes full because of an 
> external issue (in our case rsyslog).
> Because KahaDB does not pre-allocate space, it seems vunerable to this case.
> I will attach broker logs and Kahadb store during the corrupted state.



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