I have not tried running zen as a VM on vmware esx but I have tried it as a vm 
using KVM running on the Proxmox ve bare metal hypervisor, it worked really 
well for me when I was testing it. 

- Joe


On Jan 16, 2012, at 2:55 PM, Emilio Campos wrote:

> Hi all.
> 
> I would like ask to the list about zen lb working on vmware technology. Some 
> user wrote me about problems with vmware esxi, the problem is:
> 
> Slowness on the entire operative system for tasks with the network, we 
> detected  slowness on ssh connections, https connections or any connections 
> that work over network. The operative system are working fine, and there 
> isn't resources (load, cpu or memory) with a high use, also detected that 
> there is no slowness if you connect over vmware vhsphere. I detected that the 
> problem is on some TCP/IP values that we modify on the kernel.
> 
> on /etc/sysctl.conf the next value:
> 
> net.ipv4.tcp_tw_recycle = 1 cause the problem, by default on v2rcX
> 
> net.ipv4.tcp_tw_recycle = 0 there is no problem
> 
> 
> Trying of solve the problem we modified the driver that vmware configure by 
> default for linux (e1000) with vmxnet3, and installed the vmwaretools but the 
> problem follow.
> 
> I know that the problem is on the network virtualization that make vmware, 
> but I don't know how It could be solved
> 
> Some idea?, other member of the list detected the same problem with vmware or 
> other virtualization architecture?
> 
> Regards!
> 
> -- 
> Load balancer distribution - Open Source Project
> http://www.zenloadbalancer.com
> Distribution list (subscribe): [email protected]
> 
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