Yes the same in both cases I believe. We are in an Aws environment so we've tried both Amazon Linux and Ubuntu Linux and applied all available patches. We've also tried increasing the iops on the SSD storage, though there's no evidence that it's a bottleneck.
On Wed, 11 Feb 2026, 18:27 Jean-Baptiste Onofré, <[email protected]> wrote: > 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} > > >
