Laurent Chiarello created AMQ-6516:
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Summary: Wrong StoreUsageLimit computed at startup
Key: AMQ-6516
URL: https://issues.apache.org/jira/browse/AMQ-6516
Project: ActiveMQ
Issue Type: Bug
Components: Message Store
Affects Versions: 5.14.1
Reporter: Laurent Chiarello
When ActiveMQ starts, it tries to adjust its store limits based on the total
available space on the disk. However, if the store is not empty, the current
Usage is not taken into account.
*Scenario*
Store Limit = 20 Go, disk Size = 25 Go, current Store Usage = 15 Go
When restarting ActiveMQ, available disk space is 25 -15 = 10 Go, and the
broker automatically resize the store limit from 20 to 10 Go. However, the
store is already 15 Go, and thus effectively full (store usage = 150% reported
in the console).
Starting logs:
{noformat}
WARN | Store limit is 20240 mb (current store usage is 0 mb). The data
directory: (...)\data\kahaDB only has 12387 mb of usable space. - resetting to
maximum available disk space: 12387 mb
{noformat}
Logs report a current usage of 0 Mb whereas there is more than 10 Go of data in
the store. When connecting a debugger to ActiveMQ, I noticed that the current
store usage is computed _before_ the persistence adapter is configured (this is
done by the post construct in
{{XBeanBrokerService#ensureSystemUsageHasStore()}}, and thus always report '0'.
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