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From Johan Edstrom <>
Subject Re: ActiveMQ on Physical Server vs. VM
Date Fri, 24 Jan 2014 18:57:54 GMT
Like with pretty much any Java app, you end up running a VM in a VM.....
Performance on IO, CPU sharing and so on will be impacted.
That doesn't mean that you couldn't scale in different ways with more VM instances instead.

On Jan 24, 2014, at 6:37 AM, artnaseef <> wrote:

> Interesting question (dedicatd NIC) - that's more a VM question than an
> ActiveMQ question.  With sharing the NIC with other load, the issue becomes,
> what other loads are sharing and how much?  Very much a question outside of
> ActiveMQ itself.
> Is it possible for a VM host to dedicate a physical NIC to one of the VMs? 
> Or to dedicate some bandwidth on the NIC to one of the VMs?
> The bottom line is that, from an ActiveMQ perspective, there's nothing
> inheritenly different between a VM and real hardware.  Resource sizes,
> sharing, and the like are the same questions with and without VMs, although
> VMs do change the basic resource allocation by their very nature.
> If anyone has benchmarks for various hardware platforms, that would be
> really helpful for this question.
> Please share any knowledge you find on this front - I'm curious.
> --
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