Github user franz1981 commented on the issue:
https://github.com/apache/activemq-artemis/pull/2401
@lulf @michaelandrepearce I was looking to implement it as:
```xml
<global-max-size-percentage>30</global-max-size-percentage>
```
Per address-settings to allow all the addresses matching it to share a 30%
of the configured global-max-size.---
