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https://issues.apache.org/jira/browse/AMQ-6441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15516848#comment-15516848
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Christopher L. Shannon commented on AMQ-6441:
---------------------------------------------
I'm not really sure why it's doing that because all of the usage and limit
calculations use a long. Since none of the developers have anything near that
size of disk space to test on you will probably have to do some more debugging
on your end to see what the problem is. The code where the limits are checked
is here:
https://github.com/apache/activemq/blob/master/activemq-broker/src/main/java/org/apache/activemq/broker/BrokerService.java#L2044
You could try setting up a remote debugger and some break points to see where
the value is going bad. The other option is you can add some logging
statements to the code and rebuild it, etc. and deploy the rebuilt version.
> Incorrect File System Size Reported with Amazon Elastic File System (EFS)
> -------------------------------------------------------------------------
>
> Key: AMQ-6441
> URL: https://issues.apache.org/jira/browse/AMQ-6441
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.11.1
> Reporter: Ismail Bhana
>
> I've set up Active MQ in production with a shared file system master/slave
> configuration (KahaDB). I've set everything up and mounted the EFS on both
> EC2 instances.
> When I check the disk free stats I get 8 exabytes for the shared file system:
> {code}
> $ df -h
> eu-west-1a.***.efs.eu-west-1.amazonaws.com:/ 8.0E 0 8.0E 0% /mnt/efs
> {code}
> Unfortunately, ActiveMQ cannot interpret this number (8 exabytes). This may
> be due to integer truncation.
> Here is a snippet of the log:
> {code}
> Store limit is 102400 mb (current store usage is 0 mb). The data directory:
> /mnt/efs/kahadb only has -8796093022208 mb of usable space - resetting to
> maximum available disk space: -8796093022207 mb
> Store limit is -8796093022207 mb, whilst the max journal file size for the
> store is: 32 mb, the store will not accept any data when used.
> {code}
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