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https://issues.apache.org/jira/browse/GERONIMO-4947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12775964#action_12775964
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Donald Woods commented on GERONIMO-4947:
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Well, Win2000 Server came out before the virtualization wave, so you're reliant
on VMWare providing you with decent virtualized drivers, which will always be
slower than the para-virtualized drivers now available in Win2008 Server w/
HyperV support and most newer Linux distros (like SLES 10/11 or RHEL5). I
remember trying to run Win2000 and Win2003 on VMWare Server (free edition) and
there was a very noticable performance impact, especially with disk IO.
I've been using Win2008 w/ HyperV to run 3 guests Win2008 VMs on a 8 core
server and am seeing only 5-10% performance impact for a guest OS vs. the host
OS. For SLES10 SP2, I'm running 2 guests on a 4 core server and seeing 5% or
less performance impact..... (both are my casual observations while timing
builds and testsuites using the system clock.)
Only thing I can suggest, is downloading a Win2008 trial copy and trying it on
VMWare (latest Server or ESX)... You could just be running into limitations of
10+ year old Windows software or in a back-level version of VMWare...
> Geronimo performance
> --------------------
>
> Key: GERONIMO-4947
> URL: https://issues.apache.org/jira/browse/GERONIMO-4947
> Project: Geronimo
> Issue Type: Improvement
> Security Level: public(Regular issues)
> Components: general
> Affects Versions: 2.0.1
> Environment: Windows 2000 server
> Reporter: Jean-Jacques Parent
> Priority: Minor
>
> We have some performance problem with Geronimo.
> Are there known problems when Geronimo is running
> - on a virtual server (VMWare)?
> - on a virtual server with 2 CPU processors ?
> - on a W2000 server ?
> Thanks in advance
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