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ASF GitHub Bot commented on ARTEMIS-872: ---------------------------------------- Github user asfgit closed the pull request at: https://github.com/apache/activemq-artemis/pull/1878 > On extremely large volumes, Artemis falsely reports "Storage usage is beyond > max-disk-usage" > -------------------------------------------------------------------------------------------- > > Key: ARTEMIS-872 > URL: https://issues.apache.org/jira/browse/ARTEMIS-872 > Project: ActiveMQ Artemis > Issue Type: Bug > Components: Broker > Affects Versions: 1.5.0 > Reporter: Laurent Gauthier > Assignee: Justin Bertram > Priority: Major > > On Amazon EFS (Elastic File System) Java 8 reports the following for > UsableSpace and TotalSpace: > usable=9,223,372,036,635,623,424 > total= -9,223,372,036,854,775,808 > As one can see, the totalSpace is negative! We are past the Long.MAX_VALUE. > This results in > org.apache.activemq.artemis.core.server.files.FileStoreMonitor reporting an > error of type "Storage usage is beyond max-disk-usage" since it computes > usage (in method calculateUsage(FileStore store)) as: > 1.0 - (double) store.getUsableSpace() / (double) store.getTotalSpace(); > so that "usage > maxUsage" resolves to True (maxUsage = 0.999 by default). > This problem was already reported and discussed for ActiveMQ 5.x (see > External Issue URL) and a proposed fix was to use the following logic: > if (totalSpace < 0) { > totalSpace = Long.MAX_VALUE; > } > The other proposal is to support a flag that would disable the usage check > altogether. -- This message was sent by Atlassian JIRA (v7.6.3#76005)