Hi Are you using the same activemq.xml ? Same JVM configuration ?
We would need more details to investigate. Regards JB On Wed, Feb 11, 2026 at 6:02 PM KIRKBRIDE Robert via users < [email protected]> wrote: > Classified as: {Hitachi Rail - Public} > > We seem to have hit an issue with Linux Broker vs Windows Broker > performance that we can't understand or resolve. > We are using v6.2.0 of ActiveMQ Classic. We have a service that is pushing > messages to a virtual topic (VirtualTopic.Name), typically around 20-30 > bytes and these are being published at a frequency of around 130 messages / > second. We then have two services consuming from separate virtual topic > queues (Consumer.service.VirtualTopic.Name). On a Windows broker we are > seeing ActiveMQ easily deal with this, with low CPU and memory usage. With > a Linux broker the messages are being consumed but seemingly not fast > enough as the queues build up over time (probably running about half the > speed required) > The specifications of the Linux and Windows VMs are the same and in both > cases, memory and CPU is low. > The clients are C# .NET services. Nothing else about the environment > changes. Any ideas as how we can resolve this, anything to try? Thanks a > lot in advance. > > > {Hitachi Rail - Public} >
